WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / carboniferous period carboniferous period noun 20 letters Scrabble 29 WWF 34 Definitions noun from 345 million to 280 million years ago carboniferous Look “carboniferous period” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →