adj.
Pronunciation: ˌ po ̇ r-f ə - ' ri-tik
Function: adjective
Etymology: Middle English porphiritike, from Medieval Latin porphyriticus, from Greek porphyritikos, from porphyrit ē s ( lithos ) porphyry
Date: 15th century
1 : of or relating to porphyry
2 : having distinct crystals (as of feldspar) in a relatively fine-grained base