nicotine

A plant alkaloid from tobacco; blocks transmission at nicotinic synapses.

Nicotine

In lesser doses (an average cigarette yields about 1 mg of absorbed nicotine), the substance acts as a stimulant in mammals, while high amounts (50–100 mg) can be harmful. This stimulant effect is likely to be a major contributing factor to the dependence-forming properties of tobacco smoking. The nicotine content of popular American-brand cigar...
Found on http://en.wikipedia.org/wiki/Nicotine

Nicotine

• (n.) An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous. • (n.) An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. I...
Found on http://thinkexist.com/dictionary/meaning/nicotine/

nicotine

<drug> A plant alkaloid from tobacco, blocks transmission at nicotinic synapses. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

nicotine

(nik´o-tēn) (nik´o-tin) a very poisonous alkaloid that in its pure state is a colorless, pungent, oily liquid with an acrid, burning taste. It is a constituent of tobacco and can also be produced synthetically. Preparations are administered orally, intranasally, or by inhalation to help people ...
Found on http://www.encyclo.co.uk/local/21001

nicotine

noun an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
Found on https://www.encyclo.co.uk/local/20974

Nicotine

Nic'o·tine noun [ French nicotine . See Nicotian .] (Chemistry) An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous. Ure.
Found on http://www.encyclo.co.uk/webster/N/20

Nicotine

A poisonous oily liquid which is the principle compound in tobacco.
Found on http://www.vidyagyaan.com/general-knowledge/basic-chemistry-element-terms-a

Nicotine

Addictive drug that is found in tobacco, e.g., in cigarettes.
Found on http://www.encyclo.co.uk/local/20560

Nicotine

Addictive poison found in tobacco.
Found on http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=n

nicotine

Alkaloid (nitrogenous compound) obtained from the dried leaves of the tobacco plant Nicotiana tabacum. A colourless oil, soluble in water, it turns brown on exposure to the air. Nicotine is found in tobacco smoke. It can be described as a recreational drug. It stimulates the human body and produces feelings that cause people to c...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0010081.html

nicotine

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.
Found on http://www.cancer.gov/dictionary?expand=N

nicotine

an alkaloid poison that occurs in tobacco
Found on https://www.vocabulary.com/lists/442184

nicotine

an organic compound that is the principal alkaloid of tobacco. (An alkaloid is one of a group of nitrogenous organic compounds that have marked ... [7 related articles]
Found on http://www.britannica.com/eb/a-z/n/40

Nicotine

Colourless, very poisonous oily liquid. Symbol C
Found on http://www.diracdelta.co.uk/science/source/n/i/nicotine/source.html

Nicotine

Nicotine is an alkaloid derived from the leaves of tobacco.
Found on http://www.probertencyclopaedia.com/browse/GN.HTM

nicotine

nicotine, C10H14N2, poisonous, pale yellow, oily liquid alkaloid with a pungent odor and an acrid taste. It turns brown on exposure to air. Nicotine, a naturally occurring constituent of tobacco, is the active ingredient in tobacco smoke. The amount of nicotine in tobacco leaves ranges from approxim...
Found on http://www.infoplease.com/ce6/sci/A0835624.html

Nicotine

Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically. In the plant kingdom, nicotine is not restricted to tobacco but is widespread. The tobacco plant, Nicotiana tabacum, belongs to the nightshade family, which also includes potatoes, tomatoes, eggplant and red peppers. All contain nicotine. How...
Found on http://www.medterms.com/script/main/art.asp?articlekey=22807

Nicotine

The addictive drug in tobacco
Found on http://www.makingsenseofhealth.org.uk/default.html?section=Secondary&chapte

Nicotine

The main ingredient in tobacco, which is extremely poisonous and causes irritation of lung tissues, constriction of blood vessels, increased blood pressure and heart rate in smokers and those around a smoker. Because nicotine crosses the placenta, it keeps the fetus from getting the proper supply of nutrients and oxygen that he or she needs to gro....
Found on http://www.pregnology.com/Pregnancy-dictionary/

nicotine

Type: Term Pronunciation: nik′ō-tēn Definitions: 1. A poisonous volatile alkaloid derived from tobacco (Nicotiana spp.) and responsible for many of the effects of tobacco; it first stimulates (small doses), then depresses (large doses) at autonomic ganglia and myoneural junctions. Its principal urinary metabolite is cotinine. Nicoti...
Found on http://www.medilexicon.com/medicaldictionary.php?t=60455

Nicotine

You can't smoke 'em if you got 'em in more and more public places, but what about licking 'em or drinking 'em? Not without the government's green light. The FDA warned pharmacists to stop mixing up nicotine-laden lollipops and lip balm, both of which the agency ruled were illegal drugs that could appeal to children. A few months later, the FDA drie...
Found on http://www.time.com/time/covers/1101030120/glossaryn.html

nicotine

[n] - an alkaloid poison that occurs in tobacco
Found on http://www.webdictionary.co.uk/definition.php?query=nicotine
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