anorthite

noun
an·or·thite | \ ə-ˈnȯr-ˌthīt \

Definition of anorthite 

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

Other words from anorthite

anorthitic \ˌa-nȯr-ˈthi-tik \ adjective

First Known Use of anorthite

1823, in the meaning defined above

History and Etymology for anorthite

French, from a- + Greek orthos straight

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The first known use of anorthite was in 1823

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Britannica.com: Encyclopedia article about anorthite

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