polioencephalitis

noun
po·​lio·​en·​ceph·​a·​li·​tis | \ ˌpō-lē-(ˌ)ō-in-ˌsef-ə-ˈlīt-əs \
plural polioencephalitides\ -​ˈlit-​ə-​ˌdēz \

Medical Definition of polioencephalitis

: inflammation of the gray matter of the brain

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