mastoiditis

noun
mas·​toid·​itis | \ˌmas-ˌtȯi-ˈdī-təs \

Definition of mastoiditis 

: inflammation of the mastoid and especially of the mastoid cells

First Known Use of mastoiditis

1881, in the meaning defined above

History and Etymology for mastoiditis

New Latin

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The first known use of mastoiditis was in 1881

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mastoiditis

noun
mas·​toid·​itis | \ˌmas-ˌtȯid-ˈīt-əs \
plural mastoiditides\ -​ˈit-​ə-​ˌdēz \

Medical Definition of mastoiditis 

: inflammation of the mastoid and especially of the mastoid cells

More from Merriam-Webster on mastoiditis

Britannica.com: Encyclopedia article about mastoiditis

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