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