say it: IG-nee-uhs
igneous is an adjective meaning "produced under conditions involving intense heat". It carries 3 recorded senses.
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”
geology
Definitions, synonyms and semantic relations for igneous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.