WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / petrogenesis petrogenesis /pɛtroʊdʒɛnɪsɪs/ 12 letters Scrabble 15 WWF 18 Definitions Look “petrogenesis” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →