Proline
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A nonessential amino acid C₅H₉NO₂ found in most animal proteins, especially collagen; its cyclic structure leads to kinks in the peptide chain of proteins. countable, uncountable
- 2 an amino acid that is found in many proteins (especially collagen) wordnet
Synonyms
All synonymsEtymology
Short for pyrrolidine.
Related phrases
More for "proline"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.