mastoidectomy

noun
mas·toid·ec·to·my | \ˌmas-ˌtȯi-ˈdek-tə-mē \
plural mastoidectomies

Definition of mastoidectomy 

: surgical removal of part of the mastoid process of the temporal bone

First Known Use of mastoidectomy

1898, in the meaning defined above

History and Etymology for mastoidectomy

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The first known use of mastoidectomy was in 1898

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mastoidectomy

noun
mas·toid·ec·to·my | \ˌmas-ˌtȯid-ˈek-tə-mē \
plural mastoidectomies

Medical Definition of mastoidectomy 

: surgical removal of the mastoid cells or of the mastoid process of the temporal bone

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