WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / microsoft disk operating system microsoft disk operating system noun 31 letters Scrabble 48 WWF 53 Definitions noun an operating system developed by Bill Gates for personal computers ms-dos Look “microsoft disk operating system” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →