Synonyms for igneous

Adjective

1. igneous, pyrogenic, pyrogenous

usage: 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"

2. fiery, igneous, hot (vs. cold)

usage: like or suggestive of fire; "the burning sand"; "a fiery desert wind"; "an igneous desert atmosphere"