Dictionary
mon•o•a•mine
Pronunciation: (mon"ō-u-mēn', -am'in), [key]—
n. Biochem.
any of various biogenic amine neurotransmitters having a single amino group, as dopamine, epinephrine, and norepinephrine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.