WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / heliotherapy heliotherapy noun /hilioʊθɛrəpi/ 6 syllables 12 letters Scrabble 23 WWF 22 Definitions noun therapeutic exposure to sunlight insolation Look “heliotherapy” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →