| Subject | English | Spanish |
| gen. | Adviser hors classe | Consejero especial |
| gov. | adviser hors classe | consejero extraordinario |
| gen. | adviser hors classe | consejero especial |
| patents. | agricultural, horticultural and forestry products and grains not included in other classes | productos agrícolas, hortícolas, forestales y granos, no comprendidos en otras clases |
| commun. | applicable user classes | clases de usuarios aplicables |
| market., fin. | asset classes | clases de activos |
| work.fl., IT | canonical classes | clase formal |
| patents. | cardboard and goods made from these materials, not included in other classes | cartón y artículos de estas materias, no comprendidos en otras clases |
| law | certain classes of action or proceeding | determinadas categorías de recursos |
| IT, dat.proc. | character class | clase |
| comp., MS | class coupling | acoplamiento de clases (The degree of coupling to unique classes through parameters, local variables, return types, method calls, generic or template instantiations, base classes, interface implementations, fields defined on external types, and attribute decoration) |
| math. | class frequency | frecuencia per celda |
| comp., MS | class ID | Id. de clase (A universally unique identifier (UUID) that identifies a COM component. Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications) |
| comp., MS | class identifier | identificador de clase (A universally unique identifier (UUID) that identifies a COM component. Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications) |
| med. | class II restriction enzyme | endonucleasa de restricción de tipo II |
| comp., MS | class library | biblioteca de clases (A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built) |
| comp., MS | class materials | materiales de clase (Content and resources that are made available as part of a class and that can be associated with individual lessons or assignments) |
| comp., MS | class module | módulo de clase (A module that can contain the definition for a new object. Each instance of a class creates a new object. Procedures defined in the module become properties and methods of the object) |
| comp., MS | class name | nombre de clase (A predefined name used to refer to an OLE object in Visual Basic. A class name consists of the name of the application used to create the OLE object, the object's type, and, optionally, the version number of the application) |
| transp. | class of traffic | categoría de tráfico |
| transp. | class of vessel | clase de buque |
| comp., MS | class selector | selector de clases (In cascading style sheets, a name identifying a user-defined style. Depending on how it's defined, a class selector can be used with a single type of tag or with any HTML tag inside the BODY element) |
| work.fl., IT | classes of arrangement | clases de clasificación |
| fin. | classes of insurance | ramos de seguro |
| transp., construct. | classes of rock filling | clases de escollera |
| commun. | classes of standard | tipos de normas |
| gen. | Classes were suspended by snow | Las clases se suspendieron por la nevada |
| patents. | classify goods in the appropriate classes | clasificar los productos en las clases correspondientes |
| pharma. | classing room | laboratorio |
| pharma. | collectively exhaustive classes | clases colectivamente exhaustivas |
| forestr. | composite classes | clases mixtas |
| el. | connector classes | clases de conectores |
| earth.sc., chem. | contamination classes | tipos de contaminación |
| work.fl. | co-ordinate classes | clases coordinadas |
| stat., scient. | cubic designs with three associate classes | diseños cúbicos con tres clases asociadas |
| math. | cubic designs with three associate classes | diseños cúbicos con tres clases del asociado |
| work.fl., IT | division into classes | distribución en clase |
| law | domestic abuse classes | curso sobre maltrato intrafamiliar |
| psychol. | equivalence class | equivalencia |
| social.sc., hobby | European classes | clases europeas |
| forestr. | forest formation classes | clases de formaciones forestales |
| gen. | fractional classes of post adjustment | clases fraccionarias de ajuste por lugar de destino |
| gen. | fractional post adjustment classes | clases fraccionarias de ajuste por lugar de destino |
| commun., IT | frequency classing card | cuadro de clasificación de frecuencias |
| pulp.n.paper | frequency of stability classes | frecuencia de clases de estabilidad |
| patents. | games and playthings, gymnastic and sporting articles not included in other classes, decorations for Christmas trees | juegos y juguetes, artículos de gimnasia y de deporte no comprendidos en otras clases, decoraciones para árboles de Navidad |
| patents. | glassware, porcelain and earthenware not included in other classes | cristalería, porcelana y loza, no comprendidas en otras clases |
| patents. | goods in precious metals or coated therewith, not included in other classes | artículos de metales preciosos o de chapado, no comprendidos en otras clases |
| patents. | goods of common metal not included in other classes | productos metálicos no comprendidos en otras clases |
| patents. | gymnastic and sporting articles not included in other classes | artículos de gimnasia y de deporte no comprendidos en otras clases |
| patents. | index of classes and subclasses | lista de las clases (y subclases) |
| law | indication of classes of goods and services | indicación de las clases de productos y servicios |
| commun. | interworking between user classes of services | interfuncionamiento entre clases de servicio de usuario |
| forestr. | land cover classes | categorías de cubierta vegetal |
| agric., tech. | land-use-capacity classes | clasificación del terreno por aptitud agrícola |
| patents. | leather and imitations of leather, and goods made of these materials and not included in other classes | cuero e imitaciones de cuero, productos de estas materias no comprendidos en otras clases |
| patents. | leather and imitations of leather, and goods made of these materials and not included in other classes, animal skins | cuero e imitaciones de cuero, artículos de estas materias no comprendidos en otras clases, pieles de animales |
| patents. | leather and imitations of leather, and goods made of these materials and not included in other classes, animal skins, trunks and travelling bags, umbrellas, parasols and walking sticks, whips, harness and saddlery | cuero e imitaciones de cuero, productos de estas materias no comprendidos en otras clases, pieles de animales, baúles y maletas, paraguas, sombrillas y bastones de paseo, fustas y guarnicionería |
| patents. | list of classes and subclasses | lista de las clases (y subclases) |
| law | list of classes of insurance | lista de los ramos de seguros |
| gen. | middle class | ciudadania |
| pharma. | Mutually exclusive classes | Clases mutuamente excluyentes |
| stat., agric. | normal series of age classes | sucesión normal de clases de edad |
| stat., agric. | normal series of age classes | serie normal de clases de edad |
| gov., hobby, ed. | open air school classes | aula de naturaleza |
| stat., scient. | open ended classes | clases de extremo abiertas |
| math. | open-ended classes | clases extremas abiertas |
| math. | open-ended classes | clases de extremo abierto |
| patents. | paper, cardboard and goods made from these materials, not included in other classes | papel, cartón y artículos de estas materias, no comprendidos en otras clases |
| patents. | paper, cardboard and goods made from these materials, not included in other classes, printed matter | papel, cartón y artículos de estas materias, no comprendidos en otras clases, productos de imprenta |
| math. | pooling of classes | combinación de clases |
| stat. | pooling of classes | agrupamiento de las clases |
| patents. | porcelain and earthenware not included in other classes | porcelana y loza, no comprendidas en otras clases |
| patents. | precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes | metales preciosos y sus aleaciones y artículos de estas materias o de chapado no comprendidos en otras clases |
| patents. | precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes, jewellery, precious stones, horological and chronometric | metales preciosos y sus aleaciones y productos de estas materias o de chapado no comprendidos en otras clases, joyería, piedras preciosas, relojería e instrumentos cronométricos |
| patents. | preserves and frozen foodstuffs based on meat, fish, poultry and game, not included in other classes | conservas a base de carne, pescado, aves y caza, alimentos congelados a base de carne, pescado, aves y caza, no comprendidos en otras clases |
| comp., MS | pseudo-class | seudoclase (A class used by CSS selectors to allow information that is external to the HTML source, such as whether a link has been visited, to classify elements) |
| agric. | quality class | clase |
| commun. | quality of service classes | clases de calidad de servicio |
| patents. | request for comparable references to examiners in charge of other patent classes | demanda de referencias comparables a los examinadores encargados de otras clases de patentes |
| patents. | rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes | caucho, gutapercha, goma, amianto, mica y productos de estas materias no comprendidos en otras clases |
| social.sc., agric. | rural classes | capas sociales rurales |
| agric. | rural classes | clase rural |
| ed. | schedule of classes | horario de los cursos |
| patents. | sporting articles not included in other classes | artículos de deporte no comprendidos en otras clases |
| gen. | temperature classes | clases de temperatura |
| patents. | textile articles not included in other classes | artículos textiles no comprendidos en otras clases |
| patents. | textiles and textile goods, not included in other classes | tejidos y productos textiles no comprendidos en otras clases |
| patents. | textiles and textile goods, not included in other classes, bed and table covers | tejidos y productos textiles no comprendidos en otras clases, ropa de cama y de mesa |
| patents. | the number of classes has been disputed | el número de las clases fue disputado |
| gen. | there are enough Spanish classes | hay bastantes clases de español |
| gen. | there are not enough Spanish classes | no hay suficientes clases de español |
| gen. | there are three Spanish classes | hay tres clases de español |
| gen. | there were three Spanish classes | había tres clases de español |
| stat. | unequal sub-classes | subclases desiguales |
| stat. | variation between classes | variación entre clases |
| stat. | variation between classes | varianza interclásica |
| stat. | variation within classes | variación dentro de las clases |
| stat. | variation within classes | varianza intraclásica |
| stat. | variation within classes | varianza intraclase |
| stat., lab.law. | wage earning classes | salariado |
| stat., agric. | wage earning farm classes | salariado agrícola |
| industr., construct. | wool classing | separación de la lana |
| social.sc. | working classes | clase trabajadora |