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Habré, Hissène

(Encyclopedia) Habré, HissèneHabré, Hissènehēsĕnˈ häbrāˈ [key], 1942–, Chadian political leader, president of Chad (1982–90). He studied political science in Paris during the late 1960s and,…

anaplasmosis

(Encyclopedia) anaplasmosisanaplasmosisănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood…

antibody

(Encyclopedia) antibody, protein produced by the immune system (see immunity) in response to the presence in the body of antigens: foreign proteins or polysaccharides such as bacteria, bacterial…

Hope, Bob

(Encyclopedia) Hope, Bob, 1903–2003, American comedian, b. London as Leslie Townes Hope; he came to the United States at the age of five. Famous for his “ski-jump” nose, topical humor, superb timing…

Mayflower, ship

(Encyclopedia) Mayflower, ship that in 1620 brought the Pilgrims from England to New England. She set out from Southampton in company with the Speedwell, the vessel that had borne some of the English…

Chronicles

(Encyclopedia) Chronicles, two books of the Bible, originally a single work in the Hebrew canon (the final book of that canon), called First and Second Chronicles in the Authorized Version, and…

diarrhea

(Encyclopedia) diarrheadiarrheadīərēˈə [key], frequent discharge of watery feces from the intestines, sometimes containing blood and mucus. It can be caused by excessive indulgence in alcohol or…

defoliant

(Encyclopedia) defoliant, any one of several chemical compounds that, when applied to plants, can alter their metabolism, causing the leaves to drop off. In agriculture defoliants are used to…

Déby, Idriss

(Encyclopedia) Déby, Idriss Déby, Idriss ĭdrĭsˈ dĕbēˈ [key], 1952–2021, Chadian military and political leader,…

decompression sickness

(Encyclopedia) decompression sickness, physiological disorder caused by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissues. It is also known…