An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically. Nicotine has powerful pharmacologic effects (including increased heart rate, heart stroke volume, and oxygen consumption by the heart muscle), as well as powerful psychodynamic effects (such as euphoria, increased alertness, and a sense of relaxation). [..]

An addictive, poisonous chemical found in tobacco. It can also be made in the laboratory. When it enters the body, nicotine causes an increased heart rate and use of oxygen by the heart, and a sense o [..]

poisonous alkaloid found in tobacco leaves, 1819, from French nicotine, earlier nicotiane, from Modern Latin Nicotiana, formal botanical name for the tobacco plant, named for Jean Nicot (c. 1530-1600) [..]

A chemical compound that forms 0.6-3.0 per cent of the dry weight of tobacco. Nicotine acts as a stimulant in mammals, and is one of the primary reasons for smoking addiction.

an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide Nicotine is an alkaloid found in the nightshade family of plants (Solanaceae) that constitutes approximately 0.6&ndash [..]

A chemical found in tobacco smoke.

was first isolated from the tobacco plant in 1828 and was then named after the French diplomat, Jean Nicot, who introduced tobacco into France. Nicotine is one of the most widely distributed and used [..]

nikotin

A compound found in plants, including tobacco, that acts as an agonist on a large class of cholinergic receptors.

Pursuant to 21 USCS § 387 (12) [Title 21. Food And Drugs; Chapter 9. Federal Food, Drug, And Cosmetic Act; Tobacco Products], the term nicotine means “the chemical substance named 3-(1-Methyl-2-pyrrol [..]

(n) an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide

A highly toxic and addictive component of tobacco. While the amounts obtained from smoking may not be enough to be immediately fatal, there's a cause-and-effect relationship to heart disease.

This chemical is found in cigarettes and is the reason why kids (and others) get hooked on the smoking habit. So say no to nicotine – it's nasty!

See stimulants.

Illustrated Glossary of Organic Chemistry Nicotine: A naturally occurring plant alkaloid. It has one pyridine ring, one pyrrolidine ring, and one stereocenter in its structure. (S)-(-)-nicotine is the [..]

An alkaloid, which is the major psychoactive substance in tobacco. It has both stimulant and relaxing effects. It produces an alerting effect on the electroencephalogram and, in some individuals, an increased capacity to focus attention. In others, it reduces anxiety and irritability. Nicotine is used in the form of inhaled tobacco smoke, "smo [..]

Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic Cholinergic Receptors where it dramatically stimulates Neurons and ultimately blocks Synaptic Transmission. Nicotine is a [..]

Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is a [..]

An addictive, poisonous chemical found in tobacco. It can also be made in the laboratory. When it enters the body, nicotine causes an increased heart rate and use of oxygen by the heart, and a sense of well-being and relaxation. It is also used as an insecticide.

Nicotine is one of 4,000 chemicals found in tobacco. Nicotine can act on the body as both a stimulant and a depressant. Inhaled in short puffs, nicotine is a stimulant, but when deeply smoked, it has [..]

The substance found within traditional and electronic cigarettes that creates a pleasant sensation.

 The addictive substance found in tobacco. In e-liquid which contains nicotine, the substance can be ingested without the harmful chemicals which are released from burning traditional tobacco cigarettes.

A substance that is present in traditional and electronic cigarettes

 -  a substance (an alkaloid) found in tobacco and various other plants of the nightshade family.

An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically.

a toxic, addictive alkaloid that is derived from tobacco and that is one of the major contributors to the harmful effects of smoking

An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically. Nicotine has powerful pharmacologic effects (including increased heart rate, heart stroke volume, and oxygen consumption by the heart muscle), as well as powerful psychodynamic effects (such as euphoria, increased alertness, and a sense of relaxation). [..]

An alkaloid (nitrogen-containing chemical) made by the tobacco plant or produced synthetically that is one of the major chemicals in cigarettes. Epidemiological data have linked cigarette smoking to p [..]