Definition of porphyritic in English:


Syllabification: por·phy·rit·ic
Pronunciation: /ˌpôrfəˈritik


  • Relating to or denoting a rock texture, typically found in volcanic rocks, containing distinct crystals or crystalline particles embedded in a fine-grained groundmass.
    More example sentences
    • Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice.
    • These crystals eventually form the phenocrysts found in porphyritic rocks.
    • The original porphyritic texture with plagioclase phenocrysts is still recognizable.

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Pronunciation: skōSH
a small amount; a little