meningoencephalomyelitis

noun
me·​nin·​go·​en·​ceph·​a·​lo·​my·​eli·​tis | \ -in-ˌsef-ə-lō-ˌmī-ə-ˈlīt-əs How to pronounce meningoencephalomyelitis (audio) \
plural meningoencephalomyelitides\ -​ə-​ˈlit-​ə-​ˌdēz How to pronounce meningoencephalomyelitides (audio) \

Medical Definition of meningoencephalomyelitis

: inflammation of the meninges, brain, and spinal cord