anorthite

noun an·or·thite \ə-ˈnȯr-ˌthīt\

Definition of ANORTHITE

: a white, grayish, or reddish feldspar occurring in many igneous rocks

— an·or·thit·ic \ˌa-nȯr-ˈthi-tik\ adjective

See anorthite defined for kids

French, from a- + Greek orthos straight

First Known Use: 1823

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