histidine

H4I1S1T1I1D2I1N1E1
/ˈhɪstɪdiːn/

noun

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

OriginEnglish histo- ← Ancient Greek ῐ̔στός (hĭstós) ← Proto-Indo-European *steh₂- →
Less commonScrabble 13
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Meanings

nounhistidine (plural histidines)

plural histidines · alternative dated histidin

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

Origin

  1. Proto-Indo-European*steh₂-
  2. Ancient Greekῐ̔στός (hĭstós)
  3. Englishhisto-
  4. Englishhistidine

From histo- + -idine.

Full word history & related roots →

Translations

Bulgarian хистидин
  • хистидин (histidin)essential amino acid; C6H9N3O2
Catalan histidina
  • histidinaessential amino acid; C6H9N3O2
Chinese Mandarin 組氨酸 /组氨酸
  • 組氨酸 /组氨酸 (zǔ'ānsuān)essential amino acid; C6H9N3O2
Czech histidin
  • histidinessential amino acid; C6H9N3O2
Esperanto histidino
  • histidinoessential amino acid; C6H9N3O2
Finnish histidiini
  • histidiiniessential amino acid; C6H9N3O2
French histidine
  • histidineessential amino acid; C6H9N3O2
German Histidin
  • Histidinessential amino acid; C6H9N3O2
Greek ιστιδίνη
  • ιστιδίνη (istidíni)essential amino acid; C6H9N3O2
Hungarian hisztidin
  • hisztidinessential amino acid; C6H9N3O2
Irish histidín
  • histidínessential amino acid; C6H9N3O2
Japanese ヒスチジン
  • ヒスチジン (hisuchijin)essential amino acid; C6H9N3O2
Persian هیستیدین
  • هیستیدین (histidin)essential amino acid; C6H9N3O2
Polish histydyna
  • histydynaessential amino acid; C6H9N3O2
Portuguese histidina
  • histidinaessential amino acid; C6H9N3O2
Romanian histidină
  • histidinăessential amino acid; C6H9N3O2
Russian гистиди́н
  • гистиди́н (gistidín)essential amino acid; C6H9N3O2
Spanish histidina
  • histidinaessential amino acid; C6H9N3O2
Swedish histidin
  • histidinessential amino acid; C6H9N3O2
Turkish histidin
  • histidinessential amino acid; C6H9N3O2
Cite this entry
APA

histidine. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/histidine

MLA

“histidine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/histidine. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “histidine,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/histidine.

Source: histidine on Wiktionary, CC BY-SA 4.0.