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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 por·phy·rit·ic /ˌpɔrfəˈrɪtɪk/
 (a.)斑岩的

From: Webster's Revised Unabridged Dictionary (1913)

 Por·phy·rit·ic a.  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.
 

From: WordNet (r) 2.0

 porphyritic
      adj : (of rocks) consisting of porphyry or containing large
            crystals in a fine groundmass of minerals