extinction angle extinction • extinction coefficient · · · Info · Definitions · Synonyms · Characters · · extinction angle · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light. Synonyms: angle of extinction, extinction angle. · · Noun Definition 1 Synonyms · · · angle of extinction · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 x latin small letter x U+0078