Lamprophyre Definition
lămprə-fīr
noun
A dark igneous rock, having porphyritic texture, in which both the phenocrysts and the matrix consist of hornblende, pyroxene, and biotite.
American Heritage
Other Word Forms of Lamprophyre
Noun
Singular:
lamprophyrePlural:
lamprophyresOrigin of Lamprophyre
-
German Lamprophyr Greek lampros clear (from lampein to shine) French porphyre porphyry (from Old French porfire porphyry)
From American Heritage Dictionary of the English Language, 5th Edition
Ancient Greek λαµπρός (laµpros) (lamprós) = "bright" and φύρω (phurō) (phýro) = "to mix".
From Wiktionary
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