pyrogenous

[ pahy-roj-uh-nuhs ]

adjective

, Geology.

1. pyrogenic ( def 2 ).

Word History and Origins

Origin of pyrogenous¹

First recorded in 1830–40; pyro- + -genous

Example Sentences

And yet not a mountain meets the eye—not even a hill—but the dark cyprières, draped with the silvery tillandsia, form a background to the picture with all the grandeur of the pyrogenous granite!

From Project Gutenberg