Anorthosite Definition
ăn-ôrthə-sīt
noun
An igneous rock consisting almost entirely of plagioclase feldspar, especially the labradorite variety.
American Heritage
A type of gabbro, usually light-colored, made up almost entirely of plagioclase feldspars, esp. labradorite.
Webster's New World
(geology) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar.
Wiktionary
Other Word Forms of Anorthosite
Noun
Singular:
anorthosite
Plural:
anorthositesOrigin of Anorthosite
-
French anorthose a kind of feldspar (Greek an- not a–1) (Greek orthos straight) –ite
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to anorthosite using the buttons below.