Porphyry

Pronunciation

• IPA: /ˈpÉ”rfɪri/

Origin

From Ancient Greek πορφυρίτες λίθος ("purple stone").

Full definition of porphyry

Noun

1. (geology) a hard igneous rock consisting of large crystals in a fine-grained matrix
1. A purple-red rock of this kind.

Derived terms

• porphyry shell