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metal oxide semiconductor

American  
Or metal-oxide semiconductor

noun

Electronics.

  1. a three-layer sandwich of a metal, an insulator (usually an oxide of the substrate), and a semiconductor substrate, used in integrated circuits. MOS

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.

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