| Subject | English | Spanish |
| commun. | configurable unified search engine | sistema de búsqueda unido configurable |
| fin. | ECSC unified tariff | arancel unificado CECA |
| nat.sc. | grand unified theories | Teorías de Gran Unificación |
| comp., MS | Microsoft Exchange Unified Messaging Service | Servicio de mensajería unificada de Microsoft Exchange (A service that implements Unified Messaging (UM) capabilities for UM-enabled users) |
| IT | unified architecture | arquitectura unificada |
| IT | unified architecture | arquitectura de red de sistemas |
| phys. | unified atomic mass constant | constante de masa atómica unificada |
| nucl.phys. | unified atomic mass unit | unidad de masa atómica modificada |
| phys. | unified atomic mass unit | dalton |
| industr. | unified atomic mass unit | unidad de masa atómica unificada |
| UN, account. | unified budget and work plan | presupuesto y plan de trabajo unificados |
| UN, AIDS. | Unified Budget and Workplan | presupuesto y plan de trabajo unificados |
| mech.eng. | Unified Coarse thread | roscado unificado basto |
| mech.eng. | Unified coarse thread | roscado unificado basto |
| mech.eng. | Unified Coarse Thread | roscado unificado basto |
| comp., MS | unified communications | comunicaciones unificadas (A system that integrates platforms for communications including e-mail, voice mail, telephony, instant messaging, and voice and video conferencing) |
| comp., MS | Unified Communications SIP phone | teléfono SIP para comunicaciones unificadas (A SIP phone that integrates with the Communicator client) |
| comp., MS | Unified Connection Manager | Administrador de conexiones unificadas (A Windows service that is designed to aggregate network information (connection availability/status, profiles lists, radio state/strength, etc) from infrastructure networks so that it can be presented to the user in a meaningful way. The main function of the UCM service includes making connection decisions (connect/disconnect) based on policy across multiple media types. The UCM service also allows for third-party media types to be seamlessly integrated into the system making the UCM expandable with future media types) |
| phys.sc. | unified electromagnetic-weak force | fuerza electrodébil unificada |
| phys.sc. | unified electroweak force | fuerza electrodébil unificada |
| mech.eng. | Unified fine thread | roscado unificado fino |
| mech.eng. | Unified Fine thread | roscado unificado fino |
| mech.eng. | Unified Fine Thread | roscado unificado fino |
| mech.eng. | unified fuel control | control unificado de combustible |
| law | unified Germany | la Alemania unificada |
| comp., MS | Unified Logging Service | Servicio de registro unificado (An instrumentation and logging platform that provides monitoring, reporting and log viewing capabilities for Office servers and services) |
| busin., labor.org., account. | unified management | dirección única |
| gen. | Unified Mariáteguista Party | Partido Unificado Mariateguista |
| comp., MS | Unified Messaging | Mensajería unificada (An application that consolidates a user's voice mail, fax, and e-mail into one mailbox, so that the user only needs to check a single location for messages, regardless of type. The e-mail server is used as the platform for all types of messages, making it unnecessary to maintain separate voice mail and e-mail infrastructures) |
| comp., MS | Unified Messaging language | idioma de Mensajería unificada (One of the languages in which Microsoft Exchange Server 2007 Unified Messaging (UM) functionality is supported by the availability of UM language packs) |
| comp., MS | Unified Messaging server role | rol del servidor Mensajería unificada (A set of components and services that enable voice, fax, and e-mail messages to be stored in a user's single mailbox. Users can also access their Microsoft Exchange Server 2007 mailbox from a telephone or a computer) |
| environ. | Unified National System for Observation, Control and Information on the Environment's State | Sistema Nacional Unificado de Observación, Control e Información sobre la Situación del Medio Ambiente |
| commun. | unified network | red homogénea |
| commun. | unified network | red unificada |
| commun. | unified network | red de ordenadores homogénea |
| meteorol. | Unified Oscillator Theory | teoría de oscilador unificada |
| polit., law, patents. | Unified Patent Court | Tribunal Unificado de Patentes |
| commer., polit., patents. | Unified Patent Litigation System | Sistema Unificado de Resolución de Litigios sobre Patentes |
| earth.sc. | unified procedure to assess noise emission values | procedimiento unificado de evaluación de los valores correspondientes a las emisiones sonoras |
| UN | Unified Resident Coordinator | Oficina Unificada del Coordinador Residente |
| transp., mater.sc. | unified resilience | resiliencia unificada |
| life.sc., construct. | unified river basin development | desarrollo unificado de una cuenca fluvial |
| commun. | unified S-band system | sistema unificado en banda S |
| mech.eng. | Unified Screw thread | roscado unificado |
| mech.eng. | Unified screw thread | roscado unificado |
| mech.eng. | Unified Screw Thread | roscado unificado |
| law | unified secretariat | secretaría unificada |
| gen. | unified service | servicio unificado |
| gen. | Unified Socialist Party of Catalonia | Partido Socialista Unificado de Cataluña |
| gen. | Unified Space Command | mando espacial unificado |
| isol. | unified specific creepage distance | linea de fuga específica unificada |
| tech. | unified standards | normas unificadas |
| meteorol. | Unified Surface Analysis | análisis de superficie unificado |
| commun., social.sc., transp. | unified system | sistema unificado |
| law | unified tax | impuesto unificado |
| law | unified tax | tributo unificado |
| mech.eng. | Unified thread | roscado unificado |
| mech.eng. | Unified Thread | roscado unificado |
| comp., MS | Unified Tracing Model | Modelo de traza unificado (The name given to the processes that define how to receive tracing information from both the IIS request-processing pipeline and related technologies like ASP.NET through a single tracing infrastructure) |
| stat. | unified wood energy terminology | terminología unificada sobre dendroenergía |
| comp., MS | unified work list | lista de trabajo unificada (A list of all tasks, approvals, and alerts assigned to the current user) |
| unions. | Unified Workers Central | Central Unitaria de Trabajadores |
| unions. | Unified Workers Central | Central Unica de Trabajadores |