ANORTHITE

anorthite

(noun) rare plagioclastic feldspar occurring in many igneous rocks

Source: WordNet® 3.1


Etymology

Noun

anorthite (plural anorthites)

(mineral) A variety of plagioclase feldspar, the calcium endmember of that series.

Source: Wiktionary


A*nor"thite, n. Etym: [Gr.

Definition: A mineral of the feldspar family, commonly occurring in small glassy crystals, also a constituent of some igneous rocks. It is a lime feldspar. See Feldspar.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

12 June 2025

RAREFACTION

(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”


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Coffee Trivia

The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.

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