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.
stimÂ·uÂ·lant. n. 1. An agent, especially a chemical agent such as caffeine, that temporarily arouses or accelerates physiological or organic activity. 2. A stimulus or an incentive: An age of political excitement is usually a stimulant to literature (Will Durant).3.timÂ·uÂ·lant. n. 1. An agent, especially a chemical agent such as caffeine, that temporarily arouses or accelerates physiological or organic activity. 2. A stimulus or an incentive: An age of political excitement is usually a stimulant to literature (Will Durant). 3.