Phrase guide

monoamine oxidase

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

Either of two enzymes, found in the outer membrane of mitochondria, that degrade biogenic amines and are thus responsible for the destruction of transmitter substances at neuronal synapses.

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 catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: MAO

Antonyms: none provided

Broader terms: enzyme

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Catalan: monoaminooxidasa — biochemistry: enzyme that degrades biogenic amines
  • Chinese Mandarin: 單胺氧化酶 /单胺氧化酶 (dān'ànyǎnghuàméi) — biochemistry: enzyme that degrades biogenic amines
  • Czech: monoaminooxidáza — biochemistry: enzyme that degrades biogenic amines
  • French: monoamine oxydase — biochemistry: enzyme that degrades biogenic amines
  • Italian: monoamminossidasi — biochemistry: enzyme that degrades biogenic amines
  • Japanese: モノアミン酸化酵素 — biochemistry: enzyme that degrades biogenic amines
  • Kazakh: моноаминоксидаза (monoaminoksidaza) — biochemistry: enzyme that degrades biogenic amines
  • Latin: monoaminorum oxidasis — biochemistry: enzyme that degrades biogenic amines
  • Persian: مونوآمین اکسیداز — biochemistry: enzyme that degrades biogenic amines
  • Portuguese: monoamina oxidase — biochemistry: enzyme that degrades biogenic amines
  • Russian: моноаминооксида́за (monoaminooksidáza) — biochemistry: enzyme that degrades biogenic amines
  • Spanish: monoamino oxidasa — biochemistry: enzyme that degrades biogenic amines
  • Spanish: monoaminooxidasa — biochemistry: enzyme that degrades biogenic amines