| Subject | English | Portuguese |
| commun., IT | D2-MAC standard | norma D2-MAC |
| commun., IT | D2-MAC technology | tecnologia D2-MAC |
| commun. | destination MAC-MBC entity | entidade destino MAC de controlo de multissuporte |
| commun. | destination MAC-MBC entity | entidade destino MAC MBC |
| med. | disseminated MAC disease | complexo Mycobacterium avium-intracellulare |
| commun., IT | HD-MAC standard | norma HD-MAC |
| comp., MS | MAC address | endereço MAC (A 12-digit hexadecimal address that is preprogrammed into a computer's network adapter, and that uniquely identifies that computer on the network) |
| lab.law., environ. | MAC at place of work | concentração máxima admissível nos locais de trabalho |
| commun. | MAC-bearer | suporte MAC |
| commun. | MAC connection | ligação |
| commun. | MAC connection | ligação MAC |
| environ. | MAC in the free environment | concentração máxima admissível no ar ambiente |
| med. | MAC infection | infeção por Mycobacterium avium |
| IT | MAC level address | endereço de nível MAC |
| commun. | MAC-MBC entity | entidade MAC MBC |
| commun. | MAC-MBC entity | entidade MAC de controlo de multissuporte |
| commun. | MAC multi bearer control entity | entidade MAC de controlo de multissuporte |
| commun. | MAC multi bearer control entity | entidade MAC MBC |
| comp., MS, Braz. | Mac OS | Mac OS (The name given to the Macintosh operating system, beginning with version 7.5 in September 1994, when Apple started licensing the software to other computer manufacturers) |
| commun. | MAC standards | normas MAC |
| commun. | source MAC-MBC entity | entidade fonte MAC de controlo de multissuporte |
| commun. | source MAC-MBC entity | entidade fonte MAC MBC |