| Subject | English | Estonian |
| comp., MS | address class | aadressiklass (A predefined grouping of Internet addresses with each class defining networks of a certain size. The range of numbers that can be assigned for the first octet in the IP address is based on the address class. Class A networks (values 1 to 127) are the largest, with more than 16 million hosts per network. Class B networks (128 to 191) have up to 65,534 hosts per network, and Class C (192 to 223) can have up to 254 hosts per network) |
| econ., fin. | asset class | varaklass |
| math. | associate class | kaasklass |
| comp., MS | attribute class | atribuudiklass (A container object that groups related attributes within an object type) |
| IT | auxiliary UDC classes | analüütilised määrajad (analüütilised määrajad, üldise kümnendliigituse tabelite leppemärgid erialaindeksite täpsustamiseks (Vrd. üldmäärajad)) |
| IT | auxiliary UDC classes | erimäärajad |
| transp., avia. | balloon class | õhupalliklass |
| math. | class frequency | tabeliruudu sagedus |
| comp., MS | class ID | klassi-ID (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) |
| stat. | class limit | klassi piir |
| comp., MS | class meta-data | klassi metaandmed (A conceptual model that describes the attributes that must be specified to create a class in the Data Warehouse logical schema) |
| anim.husb. | conformation class | lihakusklass |
| obs., anim.husb. | conformation class | kehaehitusklass |
| comp., MS | content class | sisuklass (A Web Storage System content class defines the intent or purpose of an item along with the names of properties that are intended for items in this class) |
| math. | cubic designs with three associate classes | kolme kaasklassiga kuupplaanid |
| environ., energ.ind., el. | energy class | energiaklass |
| math. | equivalence class | samaväärsusklass |
| math. | equivalence class | ekvivalentsiklass |
| ed. | evening classes | õhtune õpe (Vt ka päevaõpe) |
| ed. | evening classes | õhtuõpe (Vt ka päevaõpe) |
| comp., MS | event class | sündmuseklass (In SQL Trace, a collection of properties that define an event) |
| chem. | hazard class | ohuklass |
| comp., MS | implementation class | juurutusrühm (In a static structure diagram, a class that defines the physical data structures and procedures of an object as implemented in a traditional programming language, such as C++. An object may have only one implementation class) |
| econ. | lower class | alamklass |
| empl. | merit class | tulemusrühm |
| econ. | middle class | keskklass |
| math. | open-ended classes | lahtised klassid |
| econ. | peasant class | talupoegkond |
| math. | pooling of classes | klasside ühendamine |
| ed. | primary school classes | algklassid (esimene kooliaste, tavaliselt 1.—3. või 4. klassini) |
| stat., commun., IT | quality class | kvaliteediklass |
| fin. | share class | aktsiaklass |
| econ. | upper class | ülemklass |
| econ. | working class | töölisklass |
| nat.sc., agric. | year class | põlvkond |