naphthol naphthoic • naphtholate · · · Info · Definitions · Characters · · naphthol · · Text Latin · · Script 8 · · Length Definitions · · · (noun) either of two phenols derived from naphthalene. · · Noun Definition 1 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074