| naphthoquinone | <chemistry> A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid. Origin: Naphthalene + quinone. Source: Websters Dictionary (01 Mar 1998) |
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| naphthoquinones | Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. (12 Dec 1998) |
| naphthyl | <chemistry> A hydrocarbon radical regarded as the essential residue of naphthalene. Origin: Naphthalene + -yl. Source: Websters Dictionary (01 Mar 1998) |
| naphthylamine | <chemistry> One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids. Source: Websters Dictionary (01 Mar 1998) |
| naphthylvinylpyridine | <chemical> 4(1-naphthylvinyl)pyridine hydrochloride. Cholinesterase inhibitor. Synonym: yub 25. Chemical name: Pyridine, 4-(2-(1-naphthalenyl)ethenyl)- (12 Dec 1998) |