WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / E / eocene epoch eocene epoch noun 12 letters Scrabble 20 WWF 23 Definitions noun from 58 million to 40 million years ago; presence of modern mammals eocene Look “eocene epoch” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →