WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / radio-opacity radio-opacity noun 13 letters Scrabble 20 WWF 21 Definitions noun opacity to X-rays or other radiation radiopacity Look “radio-opacity” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →