encephalitis

[ en-sef-uh-lahy-tis ]
/ ɛnˌsɛf əˈlaɪ tɪs /

noun Pathology.

inflammation of the substance of the brain.
Also called encephali·tis le·thar·gi·ca [li-thahr-ji-kuh] /lɪˈθɑr dʒɪ kə/. a form of this condition, caused by a filterable virus and characterized by apathy and abnormal sleepiness; sleeping sickness.

Origin of encephalitis

First recorded in 1835–45; encephal- + -itis

Related forms

en·ceph·a·lit·ic [en-sef-uh-lit-ik] /ɛnˌsɛf əˈlɪt ɪk/, adjectivepost·en·ceph·a·lit·ic, adjectivepseu·do·en·ceph·a·lit·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for encephalitis lethargica (1 of 2)

encephalitis lethargica

/ (lɪˈθɑːdʒɪkə) /

noun

pathol a technical name for sleeping sickness (def. 2)

British Dictionary definitions for encephalitis lethargica (2 of 2)

encephalitis

/ (ˌɛnsɛfəˈlaɪtɪs, ˌɛnkɛf-) /

noun

inflammation of the brain

Derived Forms

encephalitic (ˌɛnsɛfəˈlɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for encephalitis lethargica (1 of 2)

encephalitis lethargica

[ lə-thärjĭ-kə ]

n.

A viral epidemic encephalitis characterized by apathy, paralysis of an eye muscle, and extreme muscular weakness.sleeping sickness von Economo's disease

Medicine definitions for encephalitis lethargica (2 of 2)

encephalitis

[ ĕn-sĕf′ə-lītĭs ]

n. pl. en•ceph•a•lit•i•des (-lĭtĭ-dēz)

Inflammation of the brain.cephalitis

Related forms

en•ceph′a•litic (-lĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for encephalitis lethargica

encephalitis

[ ĕn-sĕf′ə-lītĭs ]

Inflammation of the brain, usually caused by infection with a virus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for encephalitis lethargica

encephalitis

[ (en-sef-uh-leye-tis) ]

An inflammation of the brain. Encephalitis may be caused by a virus or lead poisoning, or it may be a complication of another disease, such as influenza or measles. Encephalitis can cause permanent brain damage or death. It is also possible, however, to recover from it completely.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.