WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / hydrosphere hydrosphere noun 11 letters Scrabble 23 WWF 21 Definitions noun the watery layer of the earth's surface; includes water vapor Look “hydrosphere” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →