The Collaborative International Dictionary
Anorthic
Anorthic \A*nor"thic\, a. [See Anorthite.] (Min.) Having unequal oblique axes; as, anorthic crystals.
Wiktionary
anorthic
a. (context crystallography English) Having three unequal axis that intersect obliquely
WordNet
anorthic
adj. having three unequal crystal axes intersecting at oblique angles; "triclinic system" [syn: triclinic] [ant: monoclinic]