anorthite
[ an-awr-thahyt ]
/ ænˈɔr θaɪt /
noun Mineralogy.
a white or gray feldspar mineral, CaAl2Si2O8, calcic plagioclase.
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OTHER WORDS FROM anorthite
an·or·thit·ic [an-awr-thit-ik], /ˌæn ɔrˈθɪt ɪk/, adjectiveWords nearby anorthite
anorexic, anorexigenic, anorgasmia, anorgasmy, anorthic, anorthite, anorthoclase, anorthography, anorthosite, anoscope, anosigmoidoscopy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for anorthite
Like labradorite and anorthite, it is a common constituent of basic igneous rocks, such as gabbro and basalt.
Anorthite is an essential constituent of many basic igneous rocks, such as gabbro and basalt, also of some meteoric stones.
Rougemonite consists largely of anorthite with pyroxene as the only important ferro-magnesian constituent.
Montreal 1535-1914 under the French Rgime|William Henry Atherton
British Dictionary definitions for anorthite
anorthite
/ (ænˈɔːθaɪt) /
noun
a white to greyish-white or reddish-white mineral of the feldspar group and plagioclase series, found chiefly in igneous rocks and more rarely in metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: calcium aluminium silicate. Formula: CaAl 2 Si 2 O 8 . Crystal structure: triclinic
Derived forms of anorthite
anorthitic (ˌænɔːˈθɪtɪk), adjectiveWord Origin for anorthite
C19: from an- + ortho- + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for anorthite
anorthite
[ ăn-ôr′thīt ]
A white to gray triclinic mineral of the plagioclase feldspar group. Anorthite is the plagioclase mineral that is richest in calcium and occurs in alkaline igneous rocks such as gabbro. Chemical formula: CaAl2Si2O8.
The American Heritage® Science Dictionary
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