a toxic, addictive, water-soluble alkaloid, CHN, found in tobacco leaves
Origin of nicotineFrench from nicotiane, the tobacco plant from Modern Latin nicotiana (herba), Nicot's (plant), after Jean Nicot (1530-1600), French ambassador at Lisbon, who first introduced tobacco into France (1560)
A toxic alkaloid, C10H14N2, that is found in the tobacco plant, constitutes the primary addictive substance in tobacco products, and acts as a stimulant at low doses.
Origin of nicotineFrench from New Latin nicotiāna nicotiana ; see nicotiana.
(usually uncountable, plural nicotines)