AskDefine | Define porphyry

Dictionary Definition

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

User Contributed Dictionary

English

Noun

  1. a hard igneous rock consisting of large crystals in a fine-grained matrix

Extensive Definition

Porphyry (pronounced /'pɔː(ɹ)fɪri/, from the Greek porphyrios "purple-clad") may refer to:

See also

porphyry in French: Porphyre
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