Definition: like or suggestive of fire
Usage: a fiery desert wind; an igneous desert atmosphere
Definition: produced by the action of fire or intense heat
Usage: rocks formed by igneous agents
Main entry: igneous, pyrogenic, pyrogenous
Definition: produced under conditions involving intense heat
Usage: igneous rock is rock formed by solidification from a molten state; especially from molten magma; igneous fusion is fusion by heat alone; pyrogenic strata