igneous

About 1.37 uses per million words.

Meaning

1. adjective Pertaining to or having the nature of fire; containing fire; resembling fire.

   The stone had an igneous appearance.

2. adjective Resulting from, or produced by, great heat. With rocks, it could also mean formed from lava or magma.

   Granite and basalt are igneous rocks.

Similar words

fiery hot pyrogenic ice magma petrogenesis magmatic sic ecis aic

Often followed by

rocks rock and activity origin intrusions or complex intrusion action