WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / heliotropism heliotropism noun 12 letters Scrabble 19 WWF 21 Definitions noun an orienting response to the sun Look “heliotropism” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →