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Definition of naphthyl in English:

naphthyl

noun

(also naphtyl)
Chemistry

  • Either of two isomeric monovalent radicals, C₁₀ H₇ —, derived from naphthalene. Usually attributive or as a formative in chemical names.

Pronunciation

naphthyl

/ˈnafθʌɪl/ /ˈnapθʌɪl/ /ˈnafθ(ɪ)l/

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Society of London. From naphth- + -yl.