from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See norepinephrine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The compound norepinephrine.
from the GNU version of the Collaborative International Dictionary of English
- n. Same as norepinephrine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
From nor- + adrenaline. (Wiktionary)