WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / allotropism allotropism noun 4 syllables 11 letters Scrabble 15 WWF 19 Definitions noun the phenomenon of an element existing in two or more physical forms allotropy Look “allotropism” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →