from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Folic acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The old name for folic acid, a polycyclic heterocyclic carboxylic acid of the vitamin B complex, essential for cell growth and reproduction.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a B vitamin that is essential for cell growth and reproduction
ptero(ic acid), an amino acid (pterin, chemical compound; see aminopterin + -oic) + -yl + glutamic acid.(American Heritage® Dictionary of the English Language, Fourth Edition)