nicotine
(Science: drug) A plant alkaloid from tobacco, blocks transmission at nicotinic synapses.
An alkaloid poison that occurs in tobacco; used in medicine and as an insecticide.An alkaloid substance found in tobacco.
Dictionary > Nicotine
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Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and development. Certain chemicals though can halt growth, e.g. herbicides in plants, or affect normal physiological activities, e.g. alcohol. For more info, read this tutorial on the effects of chemicals on plants and animals...
