WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / E / endosteum endosteum noun /ɛndɑstiəm/ 4 syllables 9 letters Scrabble 12 WWF 15 Definitions noun vascular membrane that lines the inner surface of long bones Look “endosteum” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →