Word.ws English Dictionary

leucine

/ˈluː.siːn/

leucine noun: an essential amino acid, C₆H₁₃NO₂, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children.

Noun

leucine (countable and uncountable, plural leucines)

  1. An essential amino acid, C₆H₁₃NO₂, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children.
    • Thus, leucine is already being seen as a pharmaconutrient of great relevance for the supplementary feeding of malnourished and frail elderly and for specific subpopulations.2015 October 15, “Buffalo Cheese Whey Proteins, Identification of a 24 kDa Protein and Characterization of Their Hydrolysates: In Vitro Gastrointestinal Digestion”, in PLOS ONE, →DOI
    Synonyms:
    Leu

leucine meaning in Tamil and Persian

leucine in Tamil

லூசின், உலுசீன்

leucine in Persian

essential amino acid; C6H13NO2
لوسین lusin

Synonyms of leucine

Forms of leucine

pluralleucines

Origin of leucine

Derived from Ancient Greek λευκός (leukós, “white”) + -ine, equivalent to leuco- + -ine.

Words formed from leucine

Phrases with leucine

Words that rhyme with leucine

Questions about leucine

What does leucine mean?
Leucine means an essential amino acid, C₆H₁₃NO₂, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children.
What is leucine in Tamil?
Leucine in Tamil is லூசின், உலுசீன். See Leucine meaning in Tamil.
What part of speech is leucine?
Leucine is a noun.
How do you pronounce leucine?
Leucine is pronounced /ˈluː.siːn/.
What is the plural of leucine?
The plural of leucine is leucines.

Words near leucine in the dictionary

  1. leuchæmia
  2. leucic acid
  3. leucin
  4. leucinal
  5. leucinamide
  6. leucine
  7. leucine zipper
  8. leucine zippers
  9. leucinemia
  10. leucines
  11. leucinic acid

Source and license

Adapted from Wiktionary: leucine (page history and authors); leucine (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-leucine.wav.

Cite this entry: “leucine.” Word.ws, https://word.ws/leucine. Based on Wiktionary, CC BY-SA 4.0.