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Plagioclase
//ˈpleɪ.d͡ʒi.əˌkleɪs// noun
Definitions
Noun
- 1 Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium. uncountable, usually
"These crystals are of one of the most abundant minerals in nature – feldspar; furthermore, they are of a particular kind of feldspar rich in the element calcium, termed plagioclase."
- 2 any of a series of triclinic feldspars that form rocks wordnet
Etymology
From plagio- + -clase, after German Plagioklas.
See also for "plagioclase"
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Unscramble this word: plagioclase