- Pertaining to, having the nature of, fire; containing
fire; resembling fire; as, an igneous appearance. - Resulting from, or produced by, the action of fire; as,
lavas and basalt are igneous rocks.
Meaning of 'igneous' (Princeton's WordNet)
1 . igneous
[ a]
Meaning (1): - produced under conditions involving intense heat
Example in sentence:
igneous fusion is fusion by heat alone;
igneous rock is rock formed by solidification from a molten state; especially from molten magma;
pyrogenic strata
Meaning (2): - produced by the action of fire or intense heat