| Subject | English | Spanish |
| IT | active master item | parte principal activa |
| IT | active master item | elemento maestro activo |
| commun., IT | active master site control processors | procesadores maestros activos de control de la estación |
| agric. | agricultural master plan | plan indicativo agrario |
| org.name. | Agro-industrial Master Plan | Plan general agroindustrial |
| tech. | arm master master arm circuit breaker | disyuntor principal |
| el. | artwork master | diseño maestro |
| PCB | artwork master | diseño original |
| UN, polit. | Asian Railway master plan | Plan maestro para los ferrocarriles de Asia |
| comp., MS | ASP.NET Master Page | Página maestra ASP.NET (An ASP.NET-based templating feature available in ASP.NET 2.0 and later) |
| meas.inst. | assay master | ensayador |
| gen. | ATM Master Plan | plan Maestro ATM |
| meas.inst. | automated master switching | conmutación automatizada de un programa |
| agric. | bee-master | apicultor |
| agric. | bee-master | abejero |
| agric. | bee-master | colmenero |
| tech. | brake master cylinder | cilindro maestro del sistema de frenos |
| IT | bus master | control maestro de bus |
| IT, el. | bus master | maestro del ómnibus |
| tech. | cam-controlled master switch | interruptor principal mandado por levas |
| UN, account. | Capital Master Plan | plan maestro de mejoras de infraestructura |
| UN, account. | Capital Master Plan | Plan general de mejoras |
| UN, account. | Capital Master Plan | plan maestro de mejoras de capital |
| UN, econ. | Capital Master Plan | Plan maestro de mejoras de capital |
| UN, econ. | Capital Master Plan latest report A/57/285 | Plan maestro de mejoras de capital |
| UN, econ. | Capital Master Plan | Plan maestro de mejoras de infraestructura |
| fin., UN | capital master plan | plan maestro de mejoras de capital |
| law | cardholder master file | fichero maestro de tenedores de tarjeta |
| gen. | cassette production master A | cinta maestra |
| agric. | cellar master | maestro bodeguero |
| commun., IT | cesium atomic master clock | reloj patrón atómico de cesio |
| tech., amer. | chief Master Sergeant | sargento primero en jefe |
| tech., amer. | chief Master Sergeant of the Air Force | Sargento Primero en Jefe de la Fuerza Aérea |
| cultur. | compact disc CD master | matriz de disco compacto |
| comp., MS | content master | patrón de contenido (A slide template that defines default formatting or the position of placeholders for one or more slides in a presentation) |
| auto. | cover seal of the master cylinder | sello de la tapa del depósito del cilindro maestro |
| comp., MS | Design Master | Diseño principal (The only member of the replica set in which you can make changes to the database structure that can be propagated to other replicas) |
| tech. | differential master gear | engranaje principal del diferencial |
| ed. | Direct Loan Electronic Master Promissory Note Website MPN | Sistema Electrónico de Pagarés Maestro del Programa de Préstamos Directos |
| comp., MS | domain naming master | maestro de nomenclatura de dominios (A domain controller that holds the domain naming operations master role in Active Directory. The domain naming master controls the addition or removal of domains in the forest. At any time, the domain naming master role can be assigned to only one domain controller in the forest) |
| auto. | dual master cylinder | cilindro maestro doble |
| tech. | dual-master slave | esclava maestra doble |
| cultur. | duplicator master | clisé |
| ed. | Erasmus Mundus Masters Course | curso de máster de Erasmus Mundus |
| gen. | European Air Traffic Management Master Plan | plan Maestro ATM |
| tel. | european master reference for telephone transmission | sistema fundamental europeo de referencia para transmisión |
| tel. | european master reference for telephone transmission | SFERT abreviación |
| health., ed., school.sl. | European Master's Degree in Public Health | Máster Europeo en Salud Pública |
| ed., IT | European Master's in Translation | Máster Europeo en Traducción |
| UN, account. | Executive Director of the Office for the Capital Master Plan | Director Ejecutivo de la Oficina del Plan general de mejoras |
| agric. | female "master" farmer | maestra |
| agric. | female "master" of house-keeping | profesora de economía doméstica |
| forestr. | forestry sector master plans | planes directores del sector forestal |
| UN, econ. | funding arrangements for the capital master plan | acuerdos de financiación del Plan Maestro de Mejoras de Infraestructura |
| social.sc. | Grand Master | gran Maestro |
| hobby | Grand Masters Association | Asociación de Grandes Maestros |
| comp. | handout master | patrón de documentos |
| law, fin. | individual master file | fichero central de contribuyentes |
| ed. | industrial master school | escuela de maestría industrial |
| comp., MS | infrastructure master | maestro de infraestructura (A domain controller that holds the infrastructure operations master role in Active Directory. The infrastructure master updates the group-to-user reference whenever group memberships change and replicates these changes across the domain. At any time, the infrastructure master role can be assigned to only one domain controller in each domain) |
| comp., MS | Initial master | maestro inicial (A shared folder whose existing files and folders are replicated to other shared folders when replication is initially configured. After replication is complete, there is no initial master, since any of the replicas can accept changes and propagate them to the other replicas. The initial master then becomes another replica) |
| gen. | Initial Public Master Messages | mensajes clave iniciales destinados al público |
| comp., MS | intercompany master plan | plan maestro de empresas vinculadas (A master plan that is used for intercompany master scheduling) |
| comp., MS | intercompany master scheduling | programación maestra de empresas vinculadas (The process for generating a timetable for two or more legal entities that are part the same organization) |
| cultur., commun. | intermediate master | copia intermedia |
| comp., MS | Key Master | Maestro de claves (A DNS server role that is responsible for all DNSSEC key management for a specific DNSSEC-signed DNS zone. Different DNS zones can have different Key Masters. The Key Master role can be moved from one DNS server to a different DNS server, but a DNS zone can have only one Key Master at a given time. To be a Key Master, the DNS server must be authoritative for the DNS zone, the zone must be signed with DNSSEC, and the DNS server must be selected to be the Key Master for the DNS zone) |
| ed., agric. | licensed master farm | explotación agraria para la formación profesional |
| agric. | licensed "master" farmer | maestro |
| tech. | load master | jefe de carga |
| avia. | load master | supervisor de carga |
| tech., el. | mandatory minimum requirements for certification of masters | requisitos mínimos aplicables a la titulación de capitanes |
| gen. | master action | acción clave |
| stat., IT | master address file | fichero maestro de direcciones |
| law | master agreement | convenio maestro |
| law | master agreement | convenio patrón |
| law, lab.law. | master agreement | convenio colectivo de base |
| transp., avia. | master air waybill | conocimiento de embarque de grupaje |
| transp., mater.sc. | master allocation schedule | plan de asignación de necesidades |
| met. | master alloy | aleación madre |
| tech., met. | master alloy powder | polvo de aleación madre |
| transp. | master and articulated assembly | embielado por bielas maestras y bieletas |
| radio | master broadcasting antenna | antena colectiva de radiodifusión |
| commun. | master antenna television MATV | antena colectiva |
| gen. | master antenna television | antena colectiva |
| commun. | master antenna television system | sistema colectivo de antena de televisión |
| industr., construct. | master batch | mezcla madre |
| chem. | master batch | pasta concentrada |
| el. | master bistable | flip-flop maestro |
| el. | master bistable | biestable maestro |
| automat. | master black control | regulador del negro |
| agric. | master blend | master blend |
| agric. | master blend | chewing gum base |
| comp., MS | master boot code | código de arranque maestro (A small amount of executable code contained in the master boot record that scans the partition table for the active partition, finds the starting sector of the active partition, loads a copy of the boot sector from the active partition into memory, and transfers control to the executable code in the boot sector) |
| IT | Master Boot Record | registro maestro de arranque |
| comp., MS | master boot record | registro de arranque maestro (The first sector on a hard disk, which begins the process of starting the computer. The MBR contains the partition table for the disk and a small amount of executable code called the master boot code) |
| gen. | master boot record | registro maestro de arranque |
| transp., mech.eng. | master brake cylinder | distribuidor cuádruple de freno |
| transp., mech.eng. | master brake cylinder | cilindro de freno principal |
| automat. | master brightness control | regulador común de la luminosidad |
| construct. | master builder | maestro constructor |
| school.sl., industr. | master builder/planning and technical calculation | aparejador |
| fishery | master buoy | boya maestra |
| IT, earth.sc. | master bus | bus maestro |
| IT | master card | tarjeta maestra |
| automat. | master card | ficha maestra |
| work.fl., commun. | master catalog | catálogo general |
| work.fl., commun. | master catalogue | catálogo general |
| comp., MS | Master Category List | Lista principal de categorías (The list of categories that you can use to group items or to find items. This list contains general categories such as Business, Personal, and Phone Calls. You can add categories to and delete categories from this list) |
| tech. | master caution light assembly | conjunto de la luz maestra de precaución |
| tech. | master caution light circuit | circuito de la luz maestra de precaución |
| agric., forestr., patents. | master certificate | certificado patrón |
| ed. | master check | cheque global |
| gen. | master chief petty officer | subteniente |
| el. | master-chip integrated circuit | circuito integrado de rodaja patrón |
| nat.sc. | master chronology | cronología maestra |
| gen. | master chronology | cronologìa maestra |
| ed. | master class | clase de maestría |
| el. | master clock | reloj principal |
| el. | master clock | reloj patrón |
| el. | master clock | reloj maestro |
| commun., mater.sc. | master clock | reloj básico |
| commun., mater.sc. | master clock | regulador de la distribución telegráfica de la hora |
| el. | master clock | generador patrón de impulsos |
| meas.inst. | master clock | reloj de mando |
| transp., construct. | master clutch lever | palanca del embrague principal |
| meas.inst. | master coil | bobina madre |
| meas.inst. | master compass | compás matriz |
| meas.inst. | master compass | brújula magistral |
| comp., MS | master computer | equipo maestro (A fully-assembled computer containing a master installation) |
| fin. | master confirmation agreement | acuerdo marco de confirmación |
| pack. | master container | contenedor |
| pack. | master container | embalaje exterior |
| law | master contract | contrato maestro |
| el. | master control | puesto central de control |
| tech. | master control | control principal |
| automat., meas.inst. | master control automation | conmutación automatizada de un programa |
| automat., meas.inst. | master control desk | pupitre de control central |
| commun. | master control panel | panel de control principal |
| commun. | master control room | centro nodal |
| earth.sc., el. | master control selector | conmutador principal de mando |
| tech. | master control station | estación de control principal |
| gen. | master control station | cuadro de control |
| gen. | master control station | pupitre de control |
| IT | master control unit | procesador maestro |
| IT, transp. | master controller | regulador principal |
| commun., transp. | master controller | centro de control de tráfico |
| transp., el. | master controller | combinador manual de mando |
| transp., el. | master controller | combinador contactor |
| transp., el. | master controller | manipulador regulador |
| commun., transp. | master controller | centro de control |
| commun., transp. | master controller | centro de regulación |
| IT, transp. | master controller | controlador maestro |
| law | master copy | texto matriz |
| cinema | master copy | máster |
| commun. | master copy | copia matriz |
| commun. | master copy | montaje original |
| cinema | master copy | copia original |
| patents. | master copy | tirada original |
| comp., MS | master copy | copia maestra (The most recently checked-in version of a file or project stored in a Visual SourceSafe database) |
| gen. | master copy | copia maestra (An original document, recording, film, etc., from which copies can be made) |
| commun., IT | master copy of a plan | plan de referencia |
| commun. | master copy of a text | ejemplar tipo de un texto |
| insur. | master cover | capacidad de reaseguro con que cuenta un corredor |
| gov. | master craftsman | maestro de obra |
| gen. | Master Craftsman | Maestro de obra |
| health. | master culture | cultivo madre |
| transp., avia., mech.eng. | master cylinder | cilindro de frenado |
| auto. | master cylinder | cilindro maestro |
| transp., polit. | master cylinder | cilindro de mano |
| transp., mil., grnd.forc., mech.eng. | master cylinder | cilindro de mando |
| tech. | master cylinder | cilindro principal |
| auto. | master cylinder primary cup | copa sello primaria del cilindro maestro |
| auto. | master cylinder reservoir | depósito del cilindro maestro |
| auto. | master cylinder reservoir diaphragm | diafragma de goma de la tapa del depósito del cilindro maestro |
| IT | master data | datos maestros |
| IT | master data | datos de base |
| comp., MS | master data | datos maestros (Entities that describe the parties, locations, products, and activities that are referenced by entities that document and record economic, resource flow, and accounting events) |
| commun., IT | master data deck | paquete de datos permanentes |
| IT | Master Data Management | gestión de datos maestros |
| comp., MS | master data management | administración de datos maestros (The technology, tools, and processes required to create and maintain consistent and accurate lists of master data of an organization) |
| comp., MS | Master Data Services Configuration Manager | Administrador de configuración de Master Data Services (A SQL Server configuration manager used to create and configure Master Data Services databases, Web sites, and Web applications) |
| comp., MS | master database The system database that records all the system-level information for an instance of SQL Server | base de datos maestra (master) |
| mil. | master depot | normalmente se refiere a depósitos especializados en los cuales se almacenan toda clase de artículos comunes en cantidades mayores a las autorizadas para almacenarse en otro depósito |
| mil. | master depot | depósito principal |
| comp., MS | master design set | conjunto de diseño principal (A design set that includes a broad collection of common business publications) |
| construct. | master development and town planning scheme | esquema director |
| gen. | master device | dispositivo maestro |
| gen. | master disc | disco emisor |
| IT, dat.proc. | master document | documento maestro |
| comp., MS | master document | documento maestro (" A "container" for a set of separate files (or subdocuments). You can use a master document to set up and manage a multipart document, such as a book with several chapters.") |
| el. | master drawing | diseño maestro |
| lab.law. | master driller | maestro perforador |
| comp., MS | master element | elemento maestro (An element in a parent document to which a child document is attached. Examples of master elements are input, frame, iframe, or elements created by an element behavior) |
| tech. | master equipment authorization list | lista maestra de autorización de equipo |
| commun., transp. | master events sequence controller | controlador maestro de secuencia de eventos |
| comp., MS | Master Explorer | Explorador de patrones (A window that shows a hierarchical view of the masters and styles) |
| agric. | master farmer | maestro agricultor |
| fin., invest. | master-feeder fund | estructura de tipo principal-subordinado |
| gen. | master-feeder fund | estructura principal-subordinado |
| fin., invest. | master-feeder fund structure | estructura de tipo principal-subordinado |
| gen. | master-feeder fund structure | estructura principal-subordinado |
| fin., invest. | master-feeder structure | estructura de tipo principal-subordinado |
| gen. | master-feeder structure | estructura principal-subordinado |
| comp., MS | master file | archivo maestro (The file installed with earlier versions of SQL Server used to store the master, model, and tempdb system databases and transaction logs and the pubs sample database and transaction log) |
| IT, dat.proc. | master file | fichero principal |
| automat. | master file | registro principal |
| dat.proc. | master file | fichero maestro |
| automat. | master file | registro básico |
| gen. | master file | archivo maestro |
| dat.proc. | master file buffer | tampón de fichero maestro |
| work.fl. | master file number | número de fichero maestro |
| comp., MS | master file table | tabla maestra de archivos (An NTFS system file on NTFS-formatted volumes that contains information about each file and folder on the volume. The MFT is the first file on an NTFS volume) |
| commun., IT | master film | película original |
| nat.sc. | master fire chronology | cronología maestra de incendios |
| environ., agric. | master fire chronology | registro cronologico de incendios |
| gen. | master fire chronology | cronologìa maestra de incendios |
| fishery | master fisherman | patrón de pesca |
| fishery | master fisherman | maestro pescador |
| transp., avia. | master flight clearance note | nota autorizadora de vuelo |
| el. | master flip-flop | flip-flop maestro |
| industr., construct. | master for office-type offset machines | papel para reproducir textos en máquinas offset de oficina |
| fin. | Master Foreign Exchange Swap Agreement | Acuerdo marco de swaps de divisas |
| fin. | Master Foreign Exchange Swap Agreement | Acuerdo marco de operaciones de permuta de divisas |
| chem. | master form | forma patrón |
| law, commer. | master franchise agreement | acuerdo de franquicia principal |
| law, commer. | master franchise contract | contrato de master franquicia |
| commer. | master franchise national development plan | plan de desarrollo nacional de una master franquicia |
| commer. | master franchisee | franquiciado principal |
| commer. | master franchisee | franquiciado master |
| commer. | master franchisee trial period | período de prueba del master-franquiciado |
| el. | master frequency | frecuencia piloto |
| industr., construct. | master frequency control instrument | reloj de control de frecuencia |
| el., meas.inst. | master frequency meter | contador integrador de períodos |
| meas.inst. | master frequency meter | frecuencímetro integrador |
| gen. | master frequency register | registro maestro de frecuencias |
| invest. | master fund | fondo principal |
| tech. | master gage or gauge | calibre patrón |
| tech. | master gage or gauge | medidor maestro |
| tech. | master gage or gauge | manómetro patrón |
| tech. | master gage or gauge | calibre maestro |
| ed., agric. | master gardener | maestro jardinero |
| chem., el. | master gate | válvula maestra |
| meas.inst., BrE | master gauge | calibre de referencia |
| meas.inst. | master gauge | galga patrón |
| chem. | master gauge | calibre de comparación |
| transp. | master greaser | primer engrasador |
| el. | master group | grupo terciario |
| met. | master heat | caldo madre |
| transp. | master home/deck officer Class 3 | patrón de cabotaje |
| rem.sens. | master image | imagen de archivo |
| comp., MS | master image | imagen maestra (The hard disk image from which the manufacturer creates all other operating system images on the computers being manufactured. The master image is the final operating system image that contains all of the software, configuration settings and other customizations requested by the solution provider. It is installed on every computer in a particular offering during manufacturing) |
| school.sl., agric. | master in agriculture | maestro en producción agraria |
| school.sl., agric. | master in agriculture | capataz agrícola |
| school.sl., agric. | master in agriculture warehousing | técnico en almacenamiento agrícola |
| school.sl., agric. | master in agriculture warehousing | maestro en almacenaje agrícola |
| school.sl., agric. | master in apiculture | técnico en apicultura |
| school.sl., agric. | master in apiculture | maestro en apicultura |
| school.sl., agric. | master in dairy farming | técnico en industrias lácteas |
| school.sl., agric. | master in dairy farming | maestro en productos lácteos |
| school.sl., agric. | master in fishery | técnico en pesca |
| school.sl., agric. | master in fishery | maestro en pesca |
| school.sl., agric. | master in forestry | técnico forestal |
| school.sl., agric. | master in forestry | maestro en silvicultura |
| school.sl., agric. | master in forestry plantation and forest management | técnico en explotaciín forestal |
| school.sl., agric. | master in forestry plantation and forest management | maestro en plantación de bosques y en gestión de bosques |
| school.sl., agric. | master in horse husbandry | técnico en explotación ganadera caballar |
| school.sl., agric. | master in horse husbandry | maestro en cría de caballos |
| school.sl., agric. | master in horticulture | técnico en horticultura |
| school.sl., agric. | master in horticulture | maestro en horticultura |
| school.sl., agric. | master in market gardening | técnico en explotación hortofrutícola |
| school.sl., agric. | master in market gardening | maestro en jardinería de mercado |
| school.sl., agric. | master in pomology and fruit-processing | técnico en conservería vegetal |
| school.sl., agric. | master in pomology and fruit-processing | maestro en pomología y transformación de frutas |
| school.sl., agric. | master in poultry farming | técnico en avicultura |
| school.sl., agric. | master in poultry farming | maestro en cría de aves de corral |
| school.sl., agric. | master in rural home economics | técnico en economía familiar rural |
| school.sl., agric. | master in rural home economics | maestro en economía doméstica agraria |
| school.sl., agric. | master in vinculture and wine-production | técnico en viticultura y enotecnia |
| school.sl., agric. | master in vinculture and wine-production | maestro en vinicultura y producción de vinos |
| IT, dat.proc. | master index file | fichero de índice principal |
| IT, dat.proc. | master index file | archivo de índice principal |
| comp., MS | master installation | instalación maestra (A customized installation of Windows that an Original Equipment Manufacturer (OEM) or corporation plans to duplicate onto one or more destination computers) |
| tech. | master instructor | instructor maestro |
| IT, dat.proc. | master items | elementos repetitivos |
| IT | master key | clave de cifrado de claves |
| comp., MS | master key | clave maestra (The key used by the client and server for all session key generation. The master key is used to generate the client-read key, the client-write key, the server-read key, and the server-write key. Master keys can be exported as simple key BLOBs) |
| commun., IT | master key | clave maestra |
| gen. | master key | clave primaria |
| IT, el. | master layout | trazado maestro |
| comp., MS | master-level guide | guía de los patrones (A guide that is created and edited in Slide Master view, and that applies to slides that use the master layout in which it was created) |
| comp., MS | Master Licensing Agreement | Contrato Marco de Licencia (A license agreement that is signed by OEMs who wish to preinstall Microsoft software on their customer systems and distribute and sublicense the preinstalled software to end users. It consists of core terms and various schedules) |
| automat. | master lift control | regulador principal del nivel del negro |
| industr. | master light | interruptor general de alumbrado |
| el. | master light switch | interruptor general de alumbrado |
| UN, polit. | Master Liquidation Plan | Plan General de Liquidación |
| tech. | master low oil light | luz de aviso principal de nivel bajo de aceite |
| commun. | master machine | magnetoscopio principal |
| transp. | master mariner | capitán de la marina mercante |
| chem., el. | master mason | maestro-albañil |
| gen. | master message | mensaje clave |
| gen. | Master Message | mensaje clave |
| meas.inst. | master meter | contador principal |
| chem., el. | master meter | contador general |
| commun., IT | master microfilm card | ficha de microfilm original |
| tech. | master military records | registros militares maestros |
| transp., avia. | Master Minimum Equipment List | lista maestra de equipo mínimo |
| transp., avia. | master minimum equipment list | lista maestra de equipo mínimo MEL |
| transp., avia. | Master Minimum Equipment List | lista maestra de equipo mínimo MEL |
| transp., el. | master mode switch | selector de modalidad principal |
| meas.inst. | master monitor | monitor principal |
| meas.inst. | master monitor | monitor de emisión |
| chem. | master mould | molde tipo |
| el. | master negative | registro original |
| gen. | master negative film | negativo maestro (The first generation microform copy of a document from which subsequent copies can be made) |
| gen. | master net | red maestra |
| fin. | master netting agreement | acuerdo marco de compensación |
| commun., IT | master number hunting | búsqueda del número principal |
| fin., ed., school.sl. | Master of Business Administration | Master en Dirección y Administración de Empresas |
| fin., ed., school.sl. | Master of Business Administration | Master en Dirección de Empresas |
| law, hobby | master of ceremonies | director artístico |
| law, hobby | master of ceremonies | animador |
| law, hobby | master of ceremonies | director de escena |
| law, hobby | master of ceremonies | presentador |
| social.sc. | Master of Labour | Maestro del Trabajo |
| health., ed., school.sl. | Master of Science in Pharmacy | Licenciatura en Farmacia |
| transp. | master on a ship | capitán |
| transp. | master on a ship | capitán de la marina mercante |
| el. | master original | registro original |
| el. | master oscillator | oscilador de portadora |
| el. | master oscillator | oscilador piloto |
| el. | master oscillator | oscilador maestro |
| comp., MS | master page | página maestra (A page that defines the layout and common elements for a set of web pages. It is merged at run time with content pages that define page-specific content) |
| comp., MS | master page | página principal (A page that contains the design and layout elements that you want to repeat on multiple pages in a publication. Using master pages for these common elements gives your publication a more consistent appearance) |
| comp., MS | Master Page Gallery | Galería de páginas máster (A collection of pages with the .master extension that define shared page elements and content place holders) |
| automat. | master picture monitor | monitor principal de imagen |
| construct. | master plan | plan de orientación |
| construct. | master plan | plan director |
| construct. | master plan | plan director de urbanismo |
| plann. | master plan | plan maestro |
| construct. | master plan | plan de dirección |
| transp., polit. | Master Plan for a European road transport network | plan director de la red transeuropea de carreteras |
| transp., polit. | Master Plan for a European road transport network | esquema director de redes transeuropeas por carretera |
| UN, clim. | Master Plan for Combating Desertification and for the Conservation of Natural Resources in West Africa | plan maestro para combatir la desertificación y para la conservación de los recursos naturales en el Africa occidental |
| comp., MS | master planning | planificación maestra (A planning process that encompasses many manufacturing activities, such as demand management, production and resource planning, and master scheduling) |
| forestr. | master plans for forestry development | planes gestores para el desarrollo forestal |
| life.sc. | master point | punto director |
| insur. | master policy | póliza colectiva |
| insur. | master policy | póliza base |
| IT, transp. | master pressure indicator | manómetro patrón |
| IT, transp. | master pressure indicator | manómetro verificador |
| IT, transp. | master pressure indicator | manómetro fiel |
| cinema | master print | copia matriz |
| cinema | master print | copia original |
| cinema | master print | máster |
| patents. | master print | tirada original |
| IT | master processor | procesador maestro |
| IT, el. | master production schedule | calendario de producción |
| IT | master program | programa principal |
| automat. | master program | programa director |
| IT, dat.proc. | master project | proyecto maestro |
| comp., MS | master project | proyecto principal (A project containing one or more inserted projects. These can retain links to their source projects and may be linked to one another) |
| comp., MS | master project plan | plan de proyecto maestro (A deliverable of the planning phase for a development project. It consolidates feature team and role plans. The master project plan includes a budget plan, capacity plan, communications plan, deployment plan, development plan, pilot plan, purchasing and facilities plan, security plan, test plan, and training plan) |
| comp., MS | master project schedule | programación de proyecto maestro (A schedule that identifies all the project's activities and milestones, consolidating all team and role schedules. The master project schedule is a deliverable of the planning phase) |
| ed. | master promissory note | pagaré único |
| ed. | master promissory note | pagaré maestro |
| commun., IT | master record | grabación original |
| gen. | master reproducer | reproductor de cinta maestra |
| gen. | master reproducer | lector de cinta maestra |
| fin., econ. | Master Repurchase Agreement | Acuerdo marco sobre repos |
| fin., econ. | Master Repurchase Agreement | Acuerdo marco sobre operaciones con pacto de recompra |
| transp. | master retarder | freno de vía principal |
| transp. | master retarder | freno principal |
| tech. | master rod cylinder | cilindro de la biela maestra |
| automat. | master routine | programa director |
| transp., nautic. | master's certificate | título de capitán |
| transp., nautic. | master's certificate | certificado de capitán |
| nautic. | master's declaration | declaración del capitán |
| fin., ed., school.sl. | Master's degree in Business Administration | Master en Dirección de Empresas |
| fin., ed., school.sl. | Master's degree in Business Administration | Master en Dirección y Administración de Empresas |
| stat. | master sample | muestra maestra |
| stat. | master sample | muestra patrón |
| math. | master sample | muestra principal |
| tech. | master schedule | programa de instrucción militar |
| tech. | master schedule | programa de instrucción |
| comp., MS | master scheduling | programación maestra (The process for generating a timetable for matching supply with demand) |
| ed. | master school | escuela de maestría |
| comp., MS | master secret | secreto maestro (A security key generated by the master secret server when an Enterprise Single Sign-On (SSO) Administrator requests it. This secret key is stored in the registry as a Local Security Authority (LSA) secret on the master secret server. Only SSO Administrators can access this secret key) |
| comp., MS | master secret server | servidor de secreto maestro (A protocol server that stores and can provide a master secret in response to a request from a protocol client) |
| pharma. | master seed | inóculo original |
| pharma. | master seed | cepa madre |
| pharma. | master seed lot | cepa madre |
| pharma. | master seed lot | inóculo original |
| tech., amer. | master sergeant | sargento primero |
| comp., MS | master server | servidor maestro (A server that distributes jobs and receives events from multiple servers) |
| mil. | master service sight | goniómetro principal |
| commun. | master set-up unit | unidad principal de ajuste |
| transp., tech. | master shape | forma maestra |
| comp., MS | master shape | forma patrón (A shape on a stencil that you use repeatedly to create drawings. When you drag a shape from a stencil onto the drawing page, the shape becomes an instance of that master) |
| industr., construct. | master sheet | papel clisé |
| tech. | master shock load switch | interruptor maestro de la carga de choque |
| commun., IT | master site control processors | procesadores maestros de control de reserva de la estación |
| IT | master-slave configuration | configuración maestro-esclavo |
| IT, el. | master-slave control | control maestro-esclavo |
| el. | master-slave D flip-flop | multivibrador D patrón dependiente |
| el. | master-slave D flip-flop | flip-flop D patrón-dependiente |
| IT | master slave manipulator | manipulador maestro-esclavo |
| IT, dat.proc. | master/slave mode | modo maestro-esclavo |
| el. | master/slave operation | operación maestro-esclavo |
| el. | master-slave storage flip-flop | multivibrador de almacenamiento patrón-dependiente |
| el. | master-slave storage flip-flop | patrón dependiente |
| el. | master-slave storage flip-flop | flip-flop de almacenamiento |
| el. | master-slave T flip-flop | multivibrador T patrón-dependiente |
| el. | master-slave T flip-flop | flip-flop T patrón-dependiente |
| el. | master slice | rebanada maestra |
| el. | master-slice integrated circuit | circuito integrado de rodaja patrón |
| industr. | master standard | norma general |
| lab.law., industr., UN | Master Standard for Classification of Professional Posts | Norma General para la clasificación de los puestos del cuadro orgánico |
| commun. | master station | estación maestra |
| commun. | master station | estación patrón |
| commun. | master station | estación principal |
| auto.ctrl. | master station | estación de control en telecontrol |
| commun., IT | master station delay | retardo interno de la estación principal |
| tech. | master stock record | fichero general de existencias |
| el. | master substation | subestación central de operación |
| gen. | master surveillance schedule | calendario principal de vigilancia |
| tech. | master switch | interruptor maestro |
| earth.sc., el. | master switch | interruptor principal |
| gen. | master switch | inversor general |
| gen. | master switch | interruptor total |
| gen. | master switch | interruptor general |
| tech. | master switch circuit | circuito del interruptor maestro |
| transp., el. | master synchronization pulse | impulsión principal de sincronización |
| transp., el. | master synchronizing pulse | impulsión principal de sincronización |
| IT | master tape | cinta maestra |
| commun., IT | master telephone transmission reference system | sistema fundamental europeo de referencia para la transmisión telefónica |
| commun. | master telephone transmission reference systems of the CCITT | sistemas de referencia del CCITT |
| transp. | master template | plantilla maestra |
| IT | master terminal | terminal maestro |
| commun., IT | master time station | estación horaria principal |
| transp. | master transportation plan | plan general de circulación |
| electric. | master trigger generator | generador de disparador principal |
| tech. | master trim knob | botón principal de centrado |
| IT | master unit | unidad piloto |
| automat. | master unit | unidad maestra |
| comp., MS | master user domain | dominio de cuentas (A Windows NT domain that holds user account data) |
| tech. | master vibrator | autovibrador |
| nautic. | master warrants | poderes del capitán |
| school.sl., industr. | master woodbuilder/planning and technical calculation | maestro carpintero |
| nat.res. | master wort | imperatoria romana (Imperatoria ostruthium, Peucedanum ostruthium) |
| bot. | master wort | imperatoria romana Imperatoria ostruthium |
| ed. | masters program | programa de maestrìa |
| mater.sc. | mechanical master slave manipulator | manipulador especialista mecánico sin inteligencia |
| earth.sc., el. | metal master | disco padre |
| comp., MS | Microsoft OEM Master Licensing Agreement | Contrato Marco de Licencia de Microsoft para OEM (A license agreement that is signed by OEMs who wish to preinstall Microsoft software on their customer systems and distribute and sublicense the preinstalled software to end users. It consists of core terms and various schedules) |
| gen. | minimum knowledge for certification of masters and chief mates | conocimientos mínimos para la titulación de capitanes y pilotos de primera clase |
| gen. | minimum knowledge for certification of officers in charge of a navigational watch and of masters | conocimientos mínimos para la titulación de los oficiales de guardia de navegación y los capitanes |
| comp., MS | multiple masters | patrones múltiples (A feature that allows multiple design templates to be applied to a single presentation) |
| IT, el. | multiple-image production master | patrón de fabricación de reproducción múltiple |
| comp., MS | net change master scheduling | programación maestra de cambio neto (A master scheduling principle in which net requirements are calculated only for items that have had a change in demand since the last master schedule was calculated) |
| corp.gov. | new master standard | nueva norma general |
| commun. | new master system for the determination of reference equivalents | nuevo sistema fundamental para la determinación de los equivalentes de referencia |
| UN, polit. | Nicosia Master Plan | Plan Maestro de Nicosia |
| comp. | notes master | patrón de notas |
| UN, account. | Office for the Capital Master Plan | Oficina del Plan general de mejoras |
| comp., MS | operations master | maestro de operaciones (A domain controller that has been assigned one or more special roles in an Active Directory domain) |
| earth.sc., el. | original master | disco padre |
| comp., MS | Pairwise Master Key | Clave maestra en pares (A 256-bit key derived from the Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) or Protected EAP (PEAP) authentication process) |
| pharma. | pharmacovigilance system master file | fichero principal del sistema de farmacovigilancia |
| comp., MS | primary master | maestro principal (An authoritative DNS server for a zone that can be used as a point of update for the zone. Only primary masters have the ability to be updated directly to process zone updates, which include adding, removing, or modifying resource records that are stored as zone data. Primary masters are also used as the first sources for replicating the zone to other DNS servers) |
| comp., MS | product master | producto maestro (A standard or functional product representation that is the basis for configuring product variants) |
| gen. | production master | cinta maestra |
| tech. | propeller master blade | pala patrón de hélice |
| IT | proportional master-slave technique | técnica maestro-esclavo proporcional |
| comp., MS | Purble Master | Campeón de Purble (Skill level in the Purble Place game. Once a Purble Place game is completed, a player gets a skill level rank assigned automatically by the game (based on number of guesses and hints during the game)) |
| gen. | Qi-Gong master | maestro Quigong |
| gen. | Qigong master | maestro Quigong |
| auto. | quick take-up master cylinder | cilindro maestro escalonado |
| auto. | quick take-up master cylinder | bomba maestra escalonada |
| auto. | quick take-up master cylinder | cilindro maestro de acción rápida |
| IT | rearrangeable master-slave method | método maestro-esclavo reestructurable |
| gen. | replica master | robot réplica |
| hobby, agric. | riding master | profesor de equitación |
| auto. | rubber gasket for the master cylinder cap | diafragma de goma de la tapa del depósito del cilindro maestro |
| commun., el. | satellite master antenna system | antena colectiva de televisión por satélite |
| comp., MS | schema master | maestro de esquema (A domain controller that holds the schema operations master role in Active Directory. The schema master performs write operations to the directory schema and replicates updates to all other domain controllers in the forest. At any time, the schema master role can be assigned to only one domain controller in the forest) |
| tech., amer. | Senior Master Sergeant | sargento segundo en jefe |
| IT, el. | single-image production master | patrón de fabricación de reproducción única |
| IT | Slave/Master | Esclavo/maestro |
| comp., MS | slide master | patrón de diapositivas (The slide that stores information about the design template applied, including font styles, placeholder sizes and positions, background design, and color schemes) |
| law | special master | ayudante extraordinario del juez |
| tech. | stabilized master oscillator | oscilador maestro estabilizado |
| commun., IT | standby active master site control processors | procesadores maestros activos de control de reserva de la estación |
| auto. | step bore master cylinder | cilindro maestro escalonado |
| gen. | The master has all the morning berating one of the students | El maestro tiene toda la mañana riñendo a uno de los estudiantes |
| comp., MS | title master | patrón de títulos (The slide that stores information from the design template pertaining to styles on title slides, including placeholder sizes and positions, background design, and color schemes) |
| gen. | vendor master data | ficha de referencia del vendedor |
| auto. | vent port in the master cylinder | respiradero en el cilindro maestro |
| comp., MS | volume master key | clave maestra de volumen (An advanced encryption standard (AES) 256-bit key that is used by BitLocker Drive Encryption to encrypt the full volume encryption key. There is only one volume master key per volume) |
| comp., MS | Web master | administrador de web (A person responsible for creating and maintaining a World Wide Web site. A webmaster is often responsible for responding to e-mail, ensuring the site is operating properly, creating and updating Web pages, and maintaining the overall structure and design of the site) |
| tech. | zero test master turbine | patrón para prueba de cero |