Meaning of nornicotine

nor•nic•o•tine

Pronunciation: (nôr-nik'u-tēn"), [key]
— n.
  1. an alkaloid, CHN, extracted from tobacco and related to nicotine but having a lower toxicity: used as an agricultural and horticultural insecticide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.