Definition of mastoidectomy in English:

mastoidectomy

noun

  • Surgical removal of the lateral wall and contents of the mastoid process, usually to treat mastoiditis; (later also, chiefly in "(modified) radical mastoidectomy") this procedure combined with excision of some or all of the adjacent middle ear structures.

Origin

Late 19th century; earliest use found in Laryngoscope. From mastoid + -ectomy.

Pronunciation

mastoidectomy

/ˌmastɔɪˈdɛktəmi/