[ni-koh-shee-ey-nuh, -an-uh, -ah-nuh] /nɪˌkoʊ ʃiˈeɪ nə, -ˈæn ə, -ˈɑ nə/
any plant belonging to the genus Nicotiana, of the nightshade family, especially one grown for its ornamental value, as flowering tobacco.
any solanaceous plant of the American and Australian genus Nicotiana, such as tobacco, having white, yellow, or purple fragrant flowers
[nik-uh-tin-uh-mahyd, -mid, -tee-nuh-] /ˌnɪk əˈtɪn əˌmaɪd, -mɪd, -ˈti nə-/ noun, Biochemistry. 1. a colorless, crystalline, water-soluble solid, C 6 H 6 N 2 O, the of nicotinic acid, and a component of the vitamin-B complex, found in meat, liver, fish, whole wheat, and eggs: used in medicine chiefly as an agent for preventing or treating […]
noun, Biochemistry. 1. See NAD. nicotinamide adenine dinucleotide n. NAD.
[nik-uh-teen, -tin, nik-uh-teen] /ˈnɪk əˌtin, -tɪn, ˌnɪk əˈtin/ noun, Chemistry. 1. a colorless, oily, water-soluble, highly toxic, liquid alkaloid, C 1 0 H 1 4 N 2 , found in tobacco and valued as an insecticide. /ˈnɪkəˌtiːn/ noun 1. a colourless oily acrid toxic liquid that turns yellowish-brown in air and light: the principal alkaloid […]