Definition of "MAC"
MAC
noun
countable and uncountable, plural MACs
(computer security) Initialism of mandatory access control.
(aviation) Initialism of mean aerodynamic chord.
(aviation) Initialism of mid-air collision.
(cryptography) Initialism of message authentication code.
(military, nautical, aviation, historical) Initialism of merchant aircraft carrier.
(science fiction) Initialism of magnetic accelerator cannon.
(UK, telecommunications) Initialism of Migration Authorisation Code.
(microbiology) Initialism of Mycobacterium avium complex.
(anesthesiology) Initialism of minimum alveolar concentration.
(anesthesiology) Initialism of monitored anesthesia care.