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Definitions from WordNet

Definitions from the Web

Porphyritic

Description

Porphyritic is an adjective used to describe a texture in igneous rocks characterized by large crystals embedded in a fine-grained matrix.

Sample Sentences

• The porphyritic texture of the granite created a beautiful pattern of large feldspar crystals set in a dark, fine-grained material.
• Porphyritic volcanic rocks often exhibit a striking contrast between the large phenocrysts and the surrounding matrix.

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