anorthic adj 1: having three unequal crystal axes intersecting at oblique angles; "triclinic system" [syn: {triclinic}, {anorthic}] [ant: {monoclinic}]
Anorthic \A*nor"thic\, a. [See {Anorthite}.] (Min.) Having unequal oblique axes; as, anorthic crystals. [1913 Webster]