igneous meaning and definition

IGNEOUS adjective

Definition of igneous (adjective)

1. 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"
   • synonyms: pyrogenic, pyrogenous
2. produced by the action of fire or intense heat
   • "rocks formed by igneous agents"
   • synonyms: eruptive
   • antonym: aqueous
3. like or suggestive of fire
   • "a fiery desert wind"; "an igneous desert atmosphere"
   • synonyms: fiery