Adjective
-
like or suggestive of fire
"a fiery desert wind"
"an igneous desert atmosphere"
-
produced by the action of fire or intense heat
"rocks formed by igneous agents"
-
produced under conditions involving intense heat
"igneous rock is rock formed by solidification from a molten state
especially from molten magma"
"igneous fusion is fusion by heat alone"
"pyrogenic strata"