Definition of St. Louis encephalitis in English:

St. Louis encephalitis

Syllabification: St. Lou·is en·ceph·a·li·tis
Pronunciation: /ˌsānt ˈlo͞ois enˌsefəˈlītis


  • A form of viral encephalitis that can be fatal and is transmitted by mosquitoes.
    More example sentences
    • West Nile virus is a flavivirus within the Japanese encephalitis serocomplex, which includes St Louis encephalitis, yellow fever, and dengue fever.
    • After a period of less than conclusive testing carried out in collaboration with CDC, the state's public health laboratory concluded that it was probably facing an outbreak of the mosquito-borne St Louis encephalitis.
    • While foreign in origin, the West Nile strain is related to US-based viruses that cause Eastern Equine Encephalitis and St Louis encephalitis.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody