Naphthalene
[naf-thuh-leen, nap-] /ˈnæf θəˌlin, ˈnæp-/
noun, Chemistry.
1.
a white, crystalline, water-insoluble hydrocarbon, C 1 0 H 8 , usually obtained from coal tar: used in making dyes, as a moth repellant, etc.
/ˈnæfθəˌliːn; ˈnæp-/
noun
1.
a white crystalline volatile solid with a characteristic penetrating odour: an aromatic hydrocarbon used in mothballs and in the manufacture of dyes, explosives, etc. Formula: C10H8
n.
1821, coined by English chemist John Kidd (1775-1851), who first isolated and studied it, from naphtha + chemical suffix -ine (2) + -l- for the sake of euphony.
naphthalene naph·tha·lene or naph·tha·line (nāf’thə-lēn’, nāp’-) or naph·tha·lin (-lĭn)
n.
A toxic carcinogenic hydrocarbon derived from coal tar or petroleum and used as a solvent.
naph’tha·len’ic (-lěn’ĭk) adj.
naphthalene
(nāf’thə-lēn’)
A white crystalline compound made from coal tar or petroleum and used to make dyes, mothballs, explosives, and solvents. Naphthalene consists of two benzene rings fused together. Chemical formula: C10H8.
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[naf-thawl, -thol, nap-] /ˈnæf θɔl, -θɒl, ˈnæp-/ noun, Chemistry. 1. either of two isomeric hydroxyl derivatives, C 1 0 H 7 OH, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides. /ˈnæfθɒl; ˈnæp-/ […]