from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless liquid, C5H10O2, used in flavorings, perfumes, plasticizers, and pharmaceuticals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A short chain aliphatic carboxylic acid, CH3(CH2)3COOH, obtained from the roots of valerian; used in perfume, flavourings, pharmaceuticals
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a clear liquid carboxylic acid used in perfumes and drugs
valer(ian) (from its occurrence in the plant's root) + -ic.(American Heritage® Dictionary of the English Language, Fourth Edition)