felsite

[ fel-sahyt ]

noun
  1. a dense, fine-grained, igneous rock consisting typically of feldspar and quartz, both of which may appear as phenocrysts.

Origin of felsite

1
First recorded in 1785–95; fels(par) + -ite1

Other words from felsite

  • fel·sit·ic [fel-sit-ik], /fɛlˈsɪt ɪk/, adjective

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How to use felsite in a sentence

British Dictionary definitions for felsite

felsite

felstone (ˈfɛlˌstəʊn)

/ (ˈfɛlsaɪt) /


noun
  1. any fine-grained igneous rock consisting essentially of quartz and feldspar

Origin of felsite

1
C18: fels(par) + -ite 1

Derived forms of felsite

  • felsitic (fɛlˈsɪtɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for felsite

felsite

[ fĕlsīt′ ]


  1. A fine-grained, light-colored igneous rock, consisting mainly of feldspar and quartz.

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