| Subject | English | Estonian |
| math. | compact serial cluster | kompaktne järjekorranumber klastri |
| comp., MS | compact disc | optiline ketas (An optical storage medium for digital data) |
| ed. | compact disc | laserplaat (digiandmete kandja, см. DVD) |
| ed. | compact disc read only memory | laserketas (arvuti andmekandjana kasutatav laserplaat) |
| engl. | compact disc read only memory | CD-ROM (arvuti andmekandjana kasutatav laserplaat) |
| comp., MS | compact disc-recordable | kirjutatav CD (A type of CD-ROM that can be written (only once) on a CD recorder and read on a CD-ROM drive) |
| comp., MS | compact disc-rewritable | korduvkirjutatav CD (A type of CD on which files can be copied, erased, and replaced) |
| environ., energ.ind., el. | compact fluorescent lamp | kompaktluminofoorlamp |
| econ. | Compact for Growth and Jobs | majanduskasvu ja töökohtade loomise kokkulepe |
| stat. | compact serial cluster | kompaktne järjekorranumber klastri |
| math. | quasi-compact cluster | kvaasikompaktne klaster |