Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation metal-oxide semiconductor
  • abbreviation military occupational specialty

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism electronics Metal Oxide Semiconductor
  • initialism computing Maintenance Operating System
  • initialism computing Mobile Operating System
  • initialism Member of the Opposite Sex
  • initialism military Military Occupational Specialty

Etymologies

Sorry, no etymologies found.

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Examples

  • Just so everyone else here knows, MOS is short for Military Occupational Speciality.

    Think Progress » Rumsfeld Allies Launch Smear Campaign Against NATO General 2006

  • My MOS is 63M now, although I have been 63T, 75B, 71L, 88M and 76P.

    A Commercial for Christmas 2007

  • I find it ironic that the Generals and high ranking officers who run this war, like General Franks and General Myers, are allowed to retire and hit the talk show circuit while the wornout enlisted troops are not only called back to active duty if their MOS is needed, but those still in the service are doing a second or third tour in the war zone are now being extended.

    Think Progress » Staying in Iraq. 2006

  • I just make sure the troops are trained (while in Ft. Sill), but my REAL MOS is Comm Tech!

    Think Progress » McCain: Murtha “Has Become Too Emotional” 2005

  • Here the transistor's "gate" electrode that previously was made of a metal (usually aluminum) - the M in MOS - was replaced by a film of silicon that had several important advantages for device switching speed and packing density on the silicon wafer surface.

    The Accidental Entrepreneur 2001

  • I learned terms like "MOS" - "mom over shoulder" - and "MEH" - which is not an acronym but an expression of apathy, as in "who cares, whatev."

    Nevada Appeal - Top Stories By Beth J. Harpaz Associated Press 2009

  • MOS is noted as Organizational Supply Specialist - NOT a B-52

    JACK KAZANJIAN 2010

  • The National Guard intends to match the skill set of each unit (known as their MOS) with the assignment in the border region that matches those skills.

    Rep. Silvestre Reyes: What's Wrong With Bush's Militarize-the-Border Theatrics 2008

  • Claims USAF and then his "MOS" was transferred into Army Special Forces as "part of a program that was going on at that time."

    Heroes or Villains? 2010

  • Those of you wondering, the parenthetical "MOS," means you can see the character's lips move, but you can't hear him.

    Archive 2010-05-01 Steve Perry 2010

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