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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| sleeping sickness | |
| —n | |
| 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, Technical name: encephalitis lethargica an epidemic viral form of encephalitis characterized by extreme drowsiness |
sleeping sickness n.
See encephalitis lethargica.
sleeping sickness (slē'pĭng) Pronunciation Key
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