anorthic

adjective
an·​or·​thic | \ (ˈ)a¦nȯrthik, ə¦n-\

Definition of anorthic

mineralogy
: having unequal oblique axes : triclinic

First Known Use of anorthic

1864, in the meaning defined above

History and Etymology for anorthic

an- + orth- + -ic

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