encephalitis

noun en·ceph·a·li·tis \ in-ˌse-fə-ˈlī-təs \
Updated on: 18 Nov 2017

Definition of encephalitis

plural encephalitides play \in-ˌse-fə-ˈli-tə-ˌdēz\
: inflammation of the brain that is caused especially by infection with a virus (such as herpes simplex or West Nile virus) or less commonly by bacterial or fungal infection or autoimmune reaction
Note: Encephalitis may be asymptomatic or present with mild to severe symptoms (such as fever, headache, confusion, seizures, or loss of consciousness) sometimes progressing to coma or death.

encephalitic

play \in-ˌse-fə-ˈli-tik\ adjective

Recent Examples of encephalitis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'encephalitis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of encephalitis

1843


Medical Dictionary

encephalitis

noun en·ceph·a·li·tis \ in-ˌsef-ə-ˈlīt-əs \

medical Definition of encephalitis

plural encephalitides play \-ˈlit-ə-ˌdēz\
: inflammation of the brain that is caused especially by infection with a virus (such as herpes simplex, varicella zoster, or West Nile virus) or less commonly by bacterial or fungal infection or autoimmune reaction
Note: Encephalitis may be asymptomatic or present with mild to severe symptoms (such as fever, headache, confusion, seizures, or loss of consciousness) sometimes progressing to coma or death.

encephalitic

play \-ˈlit-ik\ adjective


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