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horsefly

(Encyclopedia)horsefly, common name for the large hairy flies of the family Tabanidae. Male horseflies feed on pollen and nectar, but the females suck blood as well and are common pests of animals and sometimes of ...

Godolphin, Sidney Godolphin, 1st earl of

(Encyclopedia)Godolphin, Sidney Godolphin, 1st earl of gədŏlˈfĭn [key], 1645–1712, English statesman. He early established a lasting friendship with John Churchill (later duke of Marlborough), and their polit...

anaplasmosis

(Encyclopedia)anaplasmosis ănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood cells, causing their d...

O'Keeffe, Georgia

(Encyclopedia)O'Keeffe, Georgia ōkēfˈ [key], 1887–1986, American painter, b. Sun Prairie, Wis. After working briefly as a commercial artist in Chicago, O'Keeffe abandoned painting until she began the study of ...

artery

(Encyclopedia)artery, blood vessel that conveys blood away from the heart. Except for the pulmonary artery, which carries deoxygenated blood from the heart to the lungs, arteries carry oxygenated blood from the hea...

Kornilov, Lavr Georgyevich

(Encyclopedia)Kornilov, Lavr Georgyevich läˈvər gēyôrˈgyĭvĭch kərnyēˈləf [key], 1870–1918, Russian general, anti-Bolshevik commander during the civil war (1918–20). He fought in the Russo-Japanese W...

African swine fever

(Encyclopedia)African swine fever (ASF), highly contagious, deadly viral disease of swine. Its acute form, which is typically fatal, is characterized by high fever, loss of appetite, lethargy, and redness in the sk...

black fly

(Encyclopedia)black fly, name for any of the flies of the family Simuliidae. The black fly is about 1⁄8 in. (3.2 mm) long and has large eyes, short legs, a stout, humped back, broad gauzy wings, and piercing-suck...

adsorption

(Encyclopedia)adsorption, adhesion of the molecules of liquids, gases, and dissolved substances to the surfaces of solids, as opposed to absorption, in which the molecules actually enter the absorbing medium (see a...

vendetta

(Encyclopedia)vendetta vĕndĕtˈə [key] [Ital.,=vengeance], feud between members of two kinship groups to avenge a wrong done to a relative. Although the term originated in Corsica, the custom has also been pract...