from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. metal-oxide semiconductor
- abbr. military occupational specialty
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Metal Oxide Semiconductor
- Maintenance Operating System
- Mobile Operating System
- Member of the Opposite Sex
- Military Occupational Specialty
Sorry, no etymologies found.
Just so everyone else here knows, MOS is short for Military Occupational Speciality.
My MOS is 63M now, although I have been 63T, 75B, 71L, 88M and 76P.
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.
I just make sure the troops are trained (while in Ft. Sill), but my REAL MOS is Comm Tech!
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.
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."
MOS is noted as Organizational Supply Specialist - NOT a B-52
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.
Claims USAF and then his "MOS" was transferred into Army Special Forces as "part of a program that was going on at that time."
Those of you wondering, the parenthetical "MOS," means you can see the character's lips move, but you can't hear him.