Standard Lemma guide

reductase

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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  • /ɹɪˈdʌk.teɪz/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

An enzyme that chemically reduces its substrate.

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

an enzyme that catalyses the biochemical reduction of some specified substance

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: enzyme

Narrower terms: HMG-CoA reductase, 5-hydroxy-3-methylglutaryl-coenzyme A reductase

History

Etymology

From reduct(ion) + -ase.

Across languages

Translations

6 source translations are retained for this English entry.

  • Finnish: reduktaasi — enzyme that chemically reduces its substrate
  • French: réductase — enzyme that chemically reduces its substrate
  • Italian: riduttasi — enzyme that chemically reduces its substrate
  • Japanese: 還元酵素 (kangen-kōso) — enzyme that chemically reduces its substrate
  • Polish: reduktaza — enzyme that chemically reduces its substrate
  • Spanish: reductasa — enzyme that chemically reduces its substrate