threonine

T1H4R1E1O1N1I1N1E1
/ˈθɹiːəniːn/

noun

An essential amino acid C₄H₉NO₃ found in most animal proteins.

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Meanings

nounthreonine (countable and uncountable, plural threonines)

plural threonines

  1. countableuncountablebiochemistryAn essential amino acid C₄H₉NO₃ found in most animal proteins.

Origin

From threose.

Full word history & related roots →

Translations

Bulgarian треонин
  • треонин (treonin)an essential amino acid
Catalan treonina
  • treoninaan essential amino acid
Chinese Mandarin 蘇氨酸 /苏氨酸
  • 蘇氨酸 /苏氨酸 (sū'ānsuān)an essential amino acid
Czech threonin
  • threoninan essential amino acid
Esperanto treonino
  • treoninoan essential amino acid
Finnish treoniini
  • treoniinian essential amino acid
French thréonine
  • thréoninean essential amino acid
German Threonin
  • Threoninan essential amino acid
Greek θρεονίνη
  • θρεονίνη (threoníni)an essential amino acid
Hungarian treonin
  • treoninan essential amino acid
Italian treonina
  • treoninaan essential amino acid
Japanese トレオニン
  • トレオニン (toreonin)an essential amino acid
Polish treonina
  • treoninaan essential amino acid
Portuguese treonina
  • treoninaan essential amino acid
Russian треони́н
  • треони́н (treonín)an essential amino acid
Spanish treonina
  • treoninaan essential amino acid
Swedish treonin
  • treoninan essential amino acid

Rhymes & wordplay

Anagrams

orthenine
Cite this entry
APA

threonine. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/threonine

MLA

“threonine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/threonine. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “threonine,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/threonine.

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