Lexic.us

Definition of MAC

1. Noun. A waterproof raincoat made of rubberized fabric.

Definition of MAC

1. Acronym. (context: chemistry) Maximum Allowable Concentration, the maximum concentration of a pollutant which is considered harmless to healthy adults during their working hours, assuming they breathe uncontaminated air at all other times. ¹

2. Acronym. (US military) Military Airlift Command, one of three former divisions of the airforce, the others being '''SAC''' and '''TAC'''. ¹

3. Acronym. (context: computing) Media Access Control, that portion of Ethernet, 802.11 wireless, Bluetooth, FDDI, ATM, and Fiber Channel networks that controls which hardware devices have access to the media over which signals are sent. ¹

4. Acronym. (context: computing) Multiply And Accumulate, a hardware module found in Digital Signal Processors which performs a multiplication and adds the result of that operation to an accumulator, in a single cycle. Used extensively in implementations of digital filters, transforms and codecs. ¹

5. Acronym. (context: mechanics) Mean Aerodynamic Chord. ¹

6. Acronym. (context: cryptography) Message Authentication Code. ¹

7. Acronym. (context: science fiction) magnetic accelerator cannon ¹

8. Noun. Used to address a man whose name is unknown. ¹

9. Prefix. (context: Irish and Scottish patronymic surnames) son of. ¹

10. Proper noun. A diminutive of the male given name Max. ¹

11. Noun. A Macintosh computer (made by Apple Computer), or its operating system. ¹

12. Noun. Short for mackintosh (a raincoat). ¹

13. Noun. Short for macaroni. ¹

¹ Source: wiktionary.com

Definition of MAC

1. a raincoat [n -S] - See also: raincoat

Medical Definition of MAC

1. A serious opportunistic infection caused by two similar bacteria (Mycobacterium avium and Mycobacterium intercellulare) found in the soil and dust particles. In AIDS, MAC can spread through the bloodstream to infect lymph nodes, bone marrow, liver, spleen, spinal fluid, lungs and intestinal tract. Typical symptoms of MAC include night sweats, weight loss, fever, fatigue, diarrhoea and enlarged spleen. MAC is usually found in people with CD4 counts below 100. MAC is also called MAI. (09 Oct 1997)

Lexicographical Neighbors of MAC

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