Standard Lemma guide

histidine

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.

  • /ˈhɪstɪdiːn/
  • UK: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: HH IH1 S T AH0 D IY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An essential amino acid C6H9N3O2 found in most animal proteins; essential for tissue growth and repair.

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 essential amino acid found in proteins that is important for the growth and repair of tissue

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: essential amino acid

History

Etymology

Etymology tree Proto-Indo-European *steh2- Ancient Greek ῐ̔στός (hĭstós)bor. English histo- English -idine English histidine From histo- + -idine.

Across languages

Translations

22 source translations are retained for this English entry.

  • Bulgarian: хистидин (histidin) — essential amino acid; C6H9N3O2
  • Catalan: histidina — essential amino acid; C6H9N3O2
  • Chinese Mandarin: 組氨酸 /组氨酸 (zǔ'ānsuān) — essential amino acid; C6H9N3O2
  • Czech: histidin — essential amino acid; C6H9N3O2
  • Esperanto: histidino — essential amino acid; C6H9N3O2
  • Finnish: histidiini — essential amino acid; C6H9N3O2
  • French: histidine — essential amino acid; C6H9N3O2
  • German: Histidin — essential amino acid; C6H9N3O2
  • Greek: ιστιδίνη (istidíni) — essential amino acid; C6H9N3O2
  • Hungarian: hisztidin — essential amino acid; C6H9N3O2
  • Irish: histidín — essential amino acid; C6H9N3O2
  • Japanese: ヒスチジン (hisuchijin) — essential amino acid; C6H9N3O2
  • Kazakh: гистидин (gistidin) — essential amino acid; C6H9N3O2
  • Kyrgyz: гистидин (gistidin) — essential amino acid; C6H9N3O2
  • Persian: هیستیدین (histidin) — essential amino acid; C6H9N3O2
  • Polish: histydyna — essential amino acid; C6H9N3O2
  • Portuguese: histidina — essential amino acid; C6H9N3O2
  • Romanian: histidină — essential amino acid; C6H9N3O2
  • Russian: гистиди́н (gistidín) — essential amino acid; C6H9N3O2
  • Spanish: histidina — essential amino acid; C6H9N3O2
  • Swedish: histidin — essential amino acid; C6H9N3O2
  • Turkish: histidin — essential amino acid; C6H9N3O2