Standard Lemma guide

histaminase

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 widely occurring flavoprotein enzyme that oxidizes histamine and various diamines.

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

enzyme that acts as a catalyst in converting histidine to histamine

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 histamine Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English histaminase From histamine + -ase.