felsite

[ fel-sahyt ]
/ ˈfɛl saɪt /

noun

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

Origin of felsite

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

OTHER WORDS FROM felsite

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

Example sentences from the Web for felsite

British Dictionary definitions for felsite

felsite

felstone (ˈfɛlˌstəʊn)

/ (ˈfɛlsaɪt) /

noun

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

Derived forms of felsite

felsitic (fɛlˈsɪtɪk), adjective

Word Origin for felsite

C18: fels(par) + -ite 1

Scientific definitions for felsite

felsite
[ fĕlsīt′ ]

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