grano·​phyre ˈgra-nə-ˌfī(-ə)r How to pronounce granophyre (audio)
: a porphyritic igneous rock chiefly of feldspar and quartz with granular groundmass
granophyric adjective

Word History


International Scientific Vocabulary, from grano- + French -phyre (as in porphyre porphyry)

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of granophyre was in 1882

Dictionary Entries Near granophyre

Cite this Entry

“Granophyre.” Dictionary, Merriam-Webster, Accessed 27 Mar. 2023.

More from Merriam-Webster on granophyre

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