from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An amine compound containing one amino group, especially a compound that functions as a neurotransmitter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any compound having a single amino functional group, especially a neurotransmitter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a molecule containing one amine group (especially one that is a neurotransmitter)
From mono- + amine. (Wiktionary)