Subscriber login


Forgot your password?

Library card login

Other

lamprophyre

Syllabification: (lam·pro·phyre)
Pronunciation: /ˈlamprəˌfīr/
Definition of lamprophyre

noun

Geology
  • a porphyritic igneous rock consisting of a fine-grained feldspathic groundmass with phenocrysts chiefly of biotite.

Origin:

late 19th century: from Greek lampros 'bright, shining' + porphureos 'purple'

lamprophyre in other Oxford dictionaries

Definition of lamprophyre in the British & World English dictionary

Nearby words

  |  Cite

More words in this category

Oxford Dictionaries Pro

For Oxford's best resources for writers, plus thesaurus, audio, and 1.9m examples.

GET PRO ►

Shop for an Oxford dictionary
Find the perfect Oxford dictionary for you in our online shop.
SHOP NOW ►

Word of the day

cur

/ kər /
noun
an aggressive dog or one that is in poor condition …