Definitions

1. adjective

having or characterized by a purple color, especially in reference to the purple-red color of the mineral porphyry.

“The porphyrous rocks formed a striking backdrop for the landscape.”

2. noun

a rock or stone that is porphyritic.

“The geologist studied the porphyrous formations in the quarry.”

3. noun

a reddish-purple color, especially in reference to the color of the mineral porphyry.

“The painting was characterized by its porphyrous hue.”