Definition of polioencephalopathy in English:

polioencephalopathy

Pronunciation /ˌpəʊlɪəʊɛnˌsɛfəˈlɒpəθi/ /ˌpəʊlɪəʊɛnˌkɛfəˈlɒpəθi/

noun

Medicine

Origin

1940s; earliest use found in New Gould Medical Dictionary. From ancient Greek πολιός grey + encephalopathy.