Standard Lemma guide

coenzyme

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • CMU ARPABET: K OW0 EH1 N Z AY0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Any small molecule that is necessary for the functioning of an enzyme.

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: molecule

Narrower terms: cocarboxylase, thiamine pyrophosphate, coenzyme A, nicotinamide adenine dinucleotide, NAD, nicotinamide adenine dinucleotide phosphate, NADP, triphosphopyridine nucleotide, ubiquinone, coenzyme Q

History

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- English enzyme English coenzyme From co- + enzyme.

Across languages

Translations

24 source translations are retained for this English entry.

  • Bulgarian: кофермент (koferment) — small molecule that is necessary for the functioning of an enzyme
  • Catalan: coenzim — small molecule that is necessary for the functioning of an enzyme
  • Chinese Mandarin: 輔酶 /辅酶 (fǔméi) — small molecule that is necessary for the functioning of an enzyme
  • Czech: koenzym — small molecule that is necessary for the functioning of an enzyme
  • Dutch: co-enzym — small molecule that is necessary for the functioning of an enzyme
  • Finnish: koentsyymi — small molecule that is necessary for the functioning of an enzyme
  • French: coenzyme — small molecule that is necessary for the functioning of an enzyme
  • Greek: συνένζυμο (synénzymo) — small molecule that is necessary for the functioning of an enzyme
  • Hungarian: koenzim — small molecule that is necessary for the functioning of an enzyme
  • Icelandic: kóensím — small molecule that is necessary for the functioning of an enzyme
  • Icelandic: hjálparhvati — small molecule that is necessary for the functioning of an enzyme
  • Icelandic: ensímbót — small molecule that is necessary for the functioning of an enzyme
  • Irish: comheinsím — small molecule that is necessary for the functioning of an enzyme
  • Italian: coenzima — small molecule that is necessary for the functioning of an enzyme
  • Japanese: コエンザイム (koenzaimu) — small molecule that is necessary for the functioning of an enzyme
  • Japanese: 補酵素 (hokōso) — small molecule that is necessary for the functioning of an enzyme
  • Kazakh: кофермент (koferment) — small molecule that is necessary for the functioning of an enzyme
  • Khmer: កូអង់ស៊ីម (kouʼɑngsiim) — small molecule that is necessary for the functioning of an enzyme
  • Polish: koenzym — small molecule that is necessary for the functioning of an enzyme
  • Romanian: coenzimă — small molecule that is necessary for the functioning of an enzyme
  • Spanish: coenzima — small molecule that is necessary for the functioning of an enzyme
  • Swedish: koenzym — small molecule that is necessary for the functioning of an enzyme
  • Turkish: koenzim — small molecule that is necessary for the functioning of an enzyme
  • Ukrainian: коензи́м (koenzým) — small molecule that is necessary for the functioning of an enzyme