Word.ws English Dictionary

ornithine

ornithine noun: an amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea (the urea cycle).

ornithine: an amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in...
Image: Tet, Public domain, via Wikimedia Commons

Noun

ornithine (countable and uncountable, plural ornithines)

  1. An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea (the urea cycle).

ornithine meaning in Tamil

ornithine in Tamil

ஆர்னித்தின்

Forms of ornithine

pluralornithines

Origin of ornithine

Blend of ornith- + (ur)ine. The name "ornithine" is in reference to its discovery as a benzoate ester in chicken excrement, by Max Jaffe in 1877.

Words formed from ornithine

Questions about ornithine

What does ornithine mean?
Ornithine means an amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea (the urea cycle).
What is ornithine in Tamil?
Ornithine in Tamil is ஆர்னித்தின். See Ornithine meaning in Tamil.
What part of speech is ornithine?
Ornithine is a noun.
What is the plural of ornithine?
The plural of ornithine is ornithines.

Words near ornithine in the dictionary

  1. ornithic
  2. ornithichnite
  3. ornithichnites
  4. ornithichnology
  5. ornithinaemia
  6. ornithine
  7. ornithine carbamoyltransferase
  8. ornithine cycle
  9. ornithine transcarbamylase
  10. ornithine transcarbamylase deficiency
  11. ornithines

Source and license

Adapted from Wiktionary: ornithine (page history and authors); ornithine (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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Cite this entry: “ornithine.” Word.ws, https://word.ws/ornithine. Based on Wiktionary, CC BY-SA 4.0.