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epidemic encephalitis

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noun Pathology.
  1. sleeping sickness(def 2).
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sleeping sickness

[slee-ping sik-nis]
noun Pathology.
  1. Also called African sleeping sickness, African trypanosomiasis. a generally fatal disease, common in parts of Africa, characterized by fever, wasting, and progressive lethargy: caused by a parasitic protozoan, Trypanosoma gambiense or T. rhodesiense, that is carried by a tsetse fly, Glossina palpalis.
  2. Also called epidemic encephalitis, lethargic encephalitis. a viral disease affecting the brain, characterized by apathy, sleepiness, extreme muscular weakness, and impairment of vision.
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Also British, sleep·y sick·ness.

Origin of sleeping sickness

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for epidemic-encephalitis

epidemic encephalitis

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

noun
  1. Also called: African sleeping sickness an African disease caused by infection with protozoans of the genus Trypanosoma, characterized by fever, wasting, and sluggishness
  2. Also called (esp formerly): sleepy sickness an epidemic viral form of encephalitis characterized by extreme drowsinessTechnical name: encephalitis lethargica
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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

epidemic-encephalitis in Medicine

sleeping sickness

(slēpĭng)
epidemic-encephalitis in Science

sleeping sickness

[slēpĭng]