Saint Louis encephalitis

noun

Saint Lou·​is encephalitis -ˈlü-əs- How to pronounce Saint Louis encephalitis (audio)
variants or St. Louis encephalitis
: a North American encephalitis that is caused by a flavivirus (species St. Louis encephalitis virus of the genus Flavivirus) transmitted by several culex mosquitoes

Word History

Etymology

St. Louis, Missouri

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of Saint Louis encephalitis was in 1934

Dictionary Entries Near Saint Louis encephalitis

Cite this Entry

“Saint Louis encephalitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Saint%20Louis%20encephalitis. Accessed 29 Mar. 2023.

Medical Definition

Saint Louis encephalitis

noun
Saint Lou·​is encephalitis -ˌlü-əs- How to pronounce Saint Louis encephalitis (audio)
: a North American encephalitis that is caused by a single-stranded RNA virus of the genus Flavivirus (species Saint Louis encephalitis virus) transmitted by several mosquitoes of the genus Culex
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