WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / myelin myelin noun /maɪɪlɪn/ 3 syllables 6 letters Scrabble 11 WWF 13 Definitions noun a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers medullamyeline Look “myelin” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →