melaphyre

[mel-uh-fahyuh r]
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noun Petrology.

a type of dark igneous rock embedded with feldspar crystals, related to basalt.

Related formsmel·a·phyr·ic [mel-uh-fir-ik] /ˌmɛl əˈfɪr ɪk/, adjective
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British Dictionary definitions for melaphyre

melaphyre

noun

geology obsolete a type of weathered amygdaloidal basalt or andesite

Word Origin for melaphyre

C19: via French from Greek melas black + (por) phura purple
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