WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / igneous rock igneous rock noun /ɪgniəsrɑk/ 12 letters Scrabble 18 WWF 22 Definitions noun rock formed by the solidification of molten magma Look “igneous rock” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →