naphthalic acid

naph·​thal·​ic acid | \(ˈ)naf|¦thalik-, ÷ (ˈ)nap|\

Definition of naphthalic acid 

1 : a crystalline acid C10H6(COOH)2 formed by oxidation of acenaphthene; 1,8-naphthalene-dicarboxylic acid

2 obsolete : phthalic acid

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History and Etymology for naphthalic acid

International Scientific Vocabulary naphthaline + -ic + acid; probably originally formed as French acide naphtalique

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