Standard Lemma guide

codec

noun · 2 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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1

noun

Meaning 1

A device or program capable of performing transformations on a data stream or signal.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • Audio and video codecs are important in making multimedia files small enough to distribute and simple to play back.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A media coding format.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • H.264 and AV1 are examples of video codecs.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Syllabic abbreviation of coder decoder, probably in imitation of how modem was formed.

Across languages

Translations

17 source translations are retained for this English entry.

  • Armenian: կոդեկ (kodek) — A device or program capable of performing transformations on a data stream or signal
  • Bulgarian: кодек (kodek) — A device or program capable of performing transformations on a data stream or signal
  • Czech: kodek — A device or program capable of performing transformations on a data stream or signal
  • Finnish: koodekki — A device or program capable of performing transformations on a data stream or signal
  • French: codec — A device or program capable of performing transformations on a data stream or signal
  • German: Codec — A device or program capable of performing transformations on a data stream or signal
  • Kazakh: кодек (kodek) — A device or program capable of performing transformations on a data stream or signal
  • Korean: 코덱 (kodek) — A device or program capable of performing transformations on a data stream or signal
  • Māori: kotēkē — A device or program capable of performing transformations on a data stream or signal
  • Marathi: कोडेक (koḍek) — A device or program capable of performing transformations on a data stream or signal
  • Polish: kodek — A device or program capable of performing transformations on a data stream or signal
  • Portuguese: codec — A device or program capable of performing transformations on a data stream or signal
  • Russian: кодек (kodek) — A device or program capable of performing transformations on a data stream or signal
  • Serbo-Croatian: кодек — A device or program capable of performing transformations on a data stream or signal
  • Serbo-Croatian: kodek — A device or program capable of performing transformations on a data stream or signal
  • Spanish: códec — A device or program capable of performing transformations on a data stream or signal
  • Ukrainian: кодек (kodek) — A device or program capable of performing transformations on a data stream or signal