MAC: Meaning (information, definition, explanation, facts)

MAC has several meanings, including:

• MAC (cosmetics)
• (erroneously) Macintosh computer by Apple
• Maximum Allowable Concentration of toxins, e.g. in food or as reference in environmental remediation
• mandatory access control
• Media Access Control - hence MAC address
• Message Authentication Code, in cryptography
• Metropolitan Airports Commission, operator of airports in the Minneapolis-St. Paul region of Minnesota.
• Mid-American Conference, US collegiate sports conference
• Middle Atlantic Conference, US collegiate sports conference, also its parent group, the Middle Atlantic Corporation
• The Midlands Arts Centre, a venue in Birmingham, England
• Minimum alveolar concentration (Anaesthesia)
• Michigan Agricultural College, usually written "M.A.C.", was the name of Michigan State University from 1909 to 1925.
• Multiply-accumulate, especially in digital signal processor contexts