pyrogenous

[ pahy-roj-uh-nuh s ]
/ paɪˈrɒdʒ ə nəs /

adjective Geology.

Origin of pyrogenous

First recorded in 1830–40; pyro- + -genous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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