WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mastoidectomy mastoidectomy noun /mæstɔɪdɛktəmi/ 5 syllables 13 letters Scrabble 23 WWF 25 Definitions noun surgical removal of some or all of the mastoid process Look “mastoidectomy” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →