| Subject | English | Portuguese |
| comp., MS, Braz. | functional currency unit | unidade monetária funcional (A currency unit of a country/region in which a primary legal entity locates its business activities and in which it generates most of its revenue and expenses) |
| health. | functional rehabilitation unit | unidade de reabilitação funcional |
| mech.eng. | functional sub-unit | submontagem funcional |
| IT, tech. | functional unit | unidade funcional |
| IT | to support a functional unit | apoiar uma unidade funcional |