Serine
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A nonessential amino acid, CH₂OH.CH(NH₂)COOH, found in most animal proteins, notably silk. countable, uncountable
- 2 a sweetish crystalline amino acid involved in the synthesis by the body of cysteine wordnet
Synonyms
All synonymsEtymology
From Latin sericus (“silken”). The compound was first obtained from silk protein, a particularly rich source, in 1865. See also serge.
Related phrases
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.