porphyritic
porp·hy·ri·tic
adjective
1.
(of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals
Origin
From porphyrite + -ic.
Related words
Word family
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.