WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / clastic rock clastic rock noun 12 letters Scrabble 21 WWF 25 Definitions noun a rock composed of broken pieces of older rocks Look “clastic rock” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →