porphyritic : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: porphyritic	by the DICT Development Group
2 results for porphyritic
From WordNet (r) 3.0 (2006) [wn]:
porphyritic adj (of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Porphyritic \Por`phy*rit"ic\, a. [Cf. F. porphyritique.] (Min.) Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline.