| Subject | English | Polish |
| radio | class A of an amplifying stage | klasa A wzmacniacza |
| vac.tub. | class A operation | praca w klasie A |
| radio | class AB of an amplifying stage | klasa AB wzmacniacza |
| vac.tub. | class AB operation | praca w klasie AB |
| environ. | class action suits law Legal action initiated by a single person or a few people on behalf of a group with similar claim or claims | proces prawny w interesie grupy (proces wytaczany przez osobę lub grupę osób w imieniu określonej grupy interesów) |
| radio | class B of an amplifying stage | klasa B wzmacniacza |
| vac.tub. | class B operation | praca w klasie B |
| vac.tub. | class C operation | praca w klasie C |
| comp., MS | class coupling | sprzężenie klas (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) |
| agric. | class covering | krycie w grupach bonitacyjnych |
| radio | class D of an amplifier | klasa D wzmacniacza |
| stat. | class frequency | komórki liczebnośći |
| math. | class frequency | komórki częstości |
| weld. | class I equipment | urządzenie I klasy ochronności |
| comp., MS | class ID | identyfikator klasy (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 | identyfikator klasy (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) |
| weld. | class II equipment | urządzenie II klasy ochronności |
| el., meas.inst. | class index | wskaźnik klasy dokładności |
| el., meas.inst. | class index | wskaźnik klasy |
| agric. | class interval | przedzial klasowy |
| comp., MS | class library | biblioteka klas (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-like interface | interfejs typu klasa (In a UML Static Structure or UML Component diagram, one of two types of interfaces that can be connected to class or component shapes and has a box shape) |
| comp., MS | class materials | materiały z zajęć (Content and resources that are made available as part of a class and that can be associated with individual lessons or assignments) |
| agric. | class mating | krycie w grupach bonitacyjnych |
| comp., MS | class meta-data | metadane klasy (A conceptual model that describes the attributes that must be specified to create a class in the Data Warehouse logical schema) |
| comp., MS | class module | moduł klasy (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) |
| radio | class 1 monitor | monitor wizyjny |
| comp., MS | class name | nazwa klasy (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) |
| telecom. | class of an exchange | kategoria łącznicy |
| telecom. | class of an exchange | klasa łącznicy |
| construct. | class of bridge | klasa mostu |
| construct. | class of building | kategoria budynku |
| construct. | class of coarseness | frakcja |
| construct. | class of coarseness | klasa ziarnowa |
| fin. | class of credit ratings | klasa ratingów kredytowych |
| el.tract. | class of insulation | klasa izolacji |
| construct. | class of precision | klasa dokładności |
| construct. | class of road | kategoria drogi techniczna |
| telegr. | user class of service signal | sygnał kategorii użytkownika |
| telecom. | class-of-service tone | sygnał tonowy kategorii usługi |
| agric. | class pairing | krycie w grupach bonitacyjnych |
| comp., MS | class relation | relacja między klasami (A connection between two classes in a parent-child relationship. The relation defines the number of instances of each class) |
| comp., MS | class selector | selektor klasy (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) |
| agric. | class serving | krycie w grupach bonitacyjnych |
| econ. | class stratification of the peasantry | rozwarstwienie wsi (klasowe) |
| econ. | class struggle | walka klas |
| math. | cubic designs with three associate classes | układy kubiczne z trzema klasami dołączonymi |
| math. | cubic designs with three associate classes | układy kubiczne z trzema klasami stowarzyszonymi |
| gen. | division into classes | klasowość |
| econ. | kulak class | kułactwo |
| math. | open-ended classes | klasy z otwartymi końcami |
| econ. | peasant class | chłopi |
| math. | pooling of classes | łączenie klas |
| comp., MS | pseudo-class | pseudoklasa (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) |
| construct. | quality class | bonitacja |
| brit. | reception class | zerówka |