| Subject | English | Norwegian Bokmål |
| math. | compact serial cluster | kompakt klynge |
| comp., MS | compact disc-rewritable | overskrivbar CD, omskrivbar CD (A type of CD on which files can be copied, erased, and replaced) |
| bot. | compact grape-hyacinth | perleblom (Muscari botryoides (L.) Mill.) |
| comp., MS | compact row axis | komprimer radakse (A feature that enables the user to compact or collapse rows when viewing several levels of data) |
| bot. | compact rush | knappsiv (Juncus conglomeratus L.; Juncus leersii T. Marsson) |
| stat. | compact serial cluster | kompakt klynge |
| light. | compact-source arc discharge lamp | kortbuelampe |
| cables | compacted conductor | komprimert leder |
| math. | quasi-compact cluster | kvasi-kompakt cluster |