anorthite anorthic • anorthite-basalt · · · Info · Definitions · Characters · · anorthite · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) rare plagioclastic feldspar occurring in many igneous rocks. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074