lamprophyre

noun

lam·​pro·​phyre

ˈlamprəˌfī(ə)r

plural -s

: any of a series of dark rocks of basaltic habit that resemble trap, occur usually in narrow dikes, and sometimes contain glittering plates of biotite

lamprophyric

¦⸗⸗¦firik

-fīr-

adjective

Word History

Etymology

International Scientific Vocabulary lampro- + -phyre; originally formed as German lamprophyr

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