| Subject | English | Basque |
| math. | compact serial cluster | trinkoak serie kluster |
| comp., MS | compact disc | disko trinko (An optical storage medium for digital data) |
| comp., MS | compact disc read-only memory | disko trinkoko memoria hil (A form of storage characterized by high capacity (roughly 650 MB) and the use of laser optics instead of magnetic means for reading data) |
| comp., MS | compact disc-recordable A type of CD-ROM that can be written (only once) on a CD recorder and read on a CD-ROM drive | compact disc-recordable (disko trinko grabagarri) |
| comp., MS | compact disc-rewritable A type of CD on which files can be copied, erased, and replaced | compact disc-rewritable (disko trinko birgrabagarri) |
| comp., MS | compact row axis | errenkada trinkoen ardatz (A feature that enables the user to compact or collapse rows when viewing several levels of data) |
| stat. | compact serial cluster | trinkoak serie kluster |