porphyry

== English == === Etymology === From Old French porfire, from Ancient Greek πορφυρίτης λίθος (porphurítēs líthos, “purple stone”), from πορφύρα (porphúra, “purple-fish, purple dye”). === Pronunciation === IPA(key): /ˈpɔɹ.fɪ.ɹi/, /ˈpɔɹ.fə.ɹi/ === Noun === porphyry (countable and uncountable, plural porphyries) (geology) A hard igneous rock consisting of large crystals in a fine-grained matrix. A purple-red rock of this kind. ==== Derived terms ==== ==== Translations ====