noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An essential amino acid 2-amino-3-methylbutanoic acid found in most animal proteins. countable, uncountable
2. 2
   an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults wordnet

Synonyms

All synonyms

amino acid

Etymology

From valerian + -ine.