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CMOS

American  
[see-maws, -mos] / ˈsiˌmɔs, -ˌmɒs /

noun

Electronics.
  1. complementary metal oxide semiconductor.


CMOS British  
/ ˈsiːmɒs /

acronym

  1. complementary metal oxide silicon

    CMOS memory

"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 technology involves significant materials and process changes to existing semiconductor manufacturing based on CMOS.

From The Wall Street Journal • Mar. 4, 2026

"CMOS fabrication is the most scalable technology humans have ever invented," Eichenfield said.

From Science Daily • Dec. 26, 2025

They developed a camera-on-a-chip sensor, known as the CMOS.

From Scientific American • Apr. 7, 2020

IBM’s research agenda is a recognition that the end of the silicon era of computing, using complementary metal-oxide semiconductor technology, or CMOS, is finally on the horizon.

From New York Times • Jul. 9, 2014

To halt the descent, Sony will “speed up” development of its technology and seek new products in which CMOS, or complementary metal-oxide semiconductors, can be used, Hirai said.

From BusinessWeek • Feb. 9, 2012