1. the act of perceiving; observation; attention: to escape notice. 2. take notice to pay attention; attend. 3. take no notice of to ignore or disregard. 4. information about a future event; warning; announcement. 5. a displayed placard or announcement giving information.
Nicotine: A Stimulant Nicotine, the chemical that makes addicts out of cigarette smokers, is a stimulant with properties similar to those of cocaine and amphetamine (speed). Nicotine provides the pick-me-up that smokers feel.
nicotine. n. 1. (Elements & Compounds) a colourless oily acrid toxic liquid that turns yellowish-brown in air and light: the principal alkaloid in tobacco, used as an agricultural insecticide. Nicotinamide Mononucleotide. 2  nicotinamide-adenine dinucleotide. 3  nicotinamide-adenine dinucleotide. 4  nicotinamide-adenine dinucleotide. 5  nicotinamide-adenine dinucleotide phosphate. 6  nicotinamide-adenine dinucleotide phosphate. 7  nicotinamide-adenine dinucleotide phosphate. 8  nicotinate. 9  nicotinates. 10  nicotine.