Standard Lemma guide

isomerase

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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  • Received-Pronunciation: /aɪˈsɒməˌɹeɪz/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /aɪˈsɑməˌɹeɪs/

1

noun

Meaning 1

Any enzyme which catalyzes the conversion of one isomeric form of a chemical compound to another.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an enzyme that catalyzes its substrate to an isomeric form

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

History

Etymology

Etymology tree English isomer Proto-Indo-European *dwóh1 Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δῐᾰ- (dĭă-) Proto-Indo-European *steh2- Proto-Indo-European *stísteh2ti Proto-Hellenic *hístāmi Ancient Greek ῐ̔́στημῐ (hĭ́stēmĭ) Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English isomerase From isomer + -ase.

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Mandarin: 異構酶 /异构酶 (yìgòuméi) — enzyme for the conversion of isomeric forms
  • Czech: izomeráza — enzyme for the conversion of isomeric forms
  • Finnish: isomeraasi — enzyme for the conversion of isomeric forms
  • German: Isomerase — enzyme for the conversion of isomeric forms
  • Hindi: समावयवेद (samāvayved) — enzyme for the conversion of isomeric forms
  • Italian: isomerasi — enzyme for the conversion of isomeric forms
  • Polish: izomeraza — enzyme for the conversion of isomeric forms
  • Vietnamese: isomeraza — enzyme for the conversion of isomeric forms