Search Result for "porphyritic rock":
Wordnet 3.0

NOUN (1)

1. any igneous rock with crystals embedded in a finer groundmass of minerals;
[syn: porphyry, porphyritic rock]



WordNet (r) 3.0 (2006):

porphyritic rock
    n 1: any igneous rock with crystals embedded in a finer
         groundmass of minerals [syn: porphyry, porphyritic
         rock]