WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / fossil oil fossil oil noun /fɑsəlɔɪl/ 10 letters Scrabble 12 WWF 14 Definitions noun a dark oil consisting mainly of hydrocarbons crudecrude oiloilpetroleumrock oil Look “fossil oil” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →