Standard Lemma guide

CMOS

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /ˈsiːmɒs/
  • homophone: sea moss
  • CMU ARPABET: S IY1 M OW0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: S IY1 EH1 M OW1 EH1 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Initialism of complementary metal–oxide–semiconductor.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism, uncountable

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a CMOS based image sensor

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: arts, hobbies, lifestyle, photography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

plural of CMO

Definition source: English Wiktionary via Wiktextract

Usage: form-of, plural

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From C (“complementary”) + MOS.

Across languages

Translations

1 source translations are retained for this English entry.

  • Russian: Комплементарный полевой транзистор — complementary metal–oxide–semiconductor