Dictionary
neu•ro•tox•in
Pronunciation: (noor'ō-tok"sin, nyoor'-, noor"ō-tok'-, nyoor"-), [key]—
n.
a neurotoxic substance, as rattlesnake venom or the poison of a black widow spider.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.