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anorthosite
[ an-awr-thuh-sahyt ]
/ ænˈɔr θəˌsaɪt /
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noun Petrology.
a granular plutonic rock composed largely of labradorite or a more calcic feldspar.
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Origin of anorthosite
OTHER WORDS FROM anorthosite
an·or·tho·sit·ic [an-aw-thuh-sit-ik], /ænˌɔ θəˈsɪt ɪk/, adjectiveWords nearby anorthosite
anorexic, anorgasmia, anorthic, anorthite, anorthoclase, anorthosite, anoscope, anosmia, another, another county heard from, another-guess
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use anorthosite in a sentence
In Canada great portions of the eastern portion of the Dominion are formed of gabbros, norite, anorthosite and allied rock types.
British Dictionary definitions for anorthosite
anorthosite
/ (ænˈɔːθəˌsaɪt) /
noun
a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar
Word Origin for anorthosite
C19: from French anorthose (see an-, ortho-) + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for anorthosite
anorthosite
[ ăn-ôr′thə-sīt′ ]
An igneous rock consisting almost entirely of plagioclase feldspar, especially the labradorite variety. Anorthosites have been identified among rock samples collected from the Moon.
The American Heritage® Science Dictionary
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