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MOS

1 American  

abbreviation

  1. (used in digital communications) member (of the) opposite sex. Also mos

  2. Electronics. metal oxide semiconductor.

mos. 2 American  

abbreviation

  1. months.

MOS British  

abbreviation

  1. metal oxide silicon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The microprocessor Myny and his colleagues built is the iconic MOS 6502.

From Science Daily • Apr. 24, 2024

After some indecision around what technology to focus on, the three men settled on a new version of MOS — metal oxide semiconductor — technology called silicon-gate MOS.

From New York Times • Mar. 24, 2023

In 1976, MOS was acquired by a calculator company, Commodore Business Machines, and Peddle became its chief engineer.

From Seattle Times • Dec. 24, 2019

But the result is that pressing a button connected to the MOS 6502 emulation produces the exact same pictures on the screen as pushing the “shoot” button on the old Atari joystick did.

From Slate • Apr. 14, 2014

MOS: Your desert, sir; I know no second cause.

From Volpone; Or, the Fox by Jonson, Ben

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.