granophyre
grano·phyre
noun \ˈgran-ə-ˌfī(-ə)r\Definition of GRANOPHYRE
: a porphyritic igneous rock chiefly of feldspar and quartz with granular groundmass
— grano·phyr·ic \ˌgran-ə-ˈfir-ik\ adjective
Origin of GRANOPHYRE
International Scientific Vocabulary, from grano- + French -phyre (as in porphyre porphyry)
First Known Use: 1882
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