orthoclasticWiktionary 原文演变路径（由近及远）英语源自 ←古希腊语 κλαστός “broken”词源说明From ortho- + Ancient Greek κλαστός (klastós, “broken”) + -ic.释义（英文）形容词 Adjective(crystallography) Having cleavage planes at right angles, as in orthoclase.