from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An essential amino acid, C5H11NO2.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An essential amino acid 2-amino-3-methylbutanoic acid found in most animal proteins.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults
val(eric acid) + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)
The plant valerian. (Wiktionary)