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English sparrow

(Encyclopedia)English sparrow or house sparrow, small bird, Passer domesticus, common throughout most of the world. English sparrows are 4 to 7 in. (10–18 cm) long, with short, stout bills. The male is brown with...

Tulsa Race Massacre of 1921

(Encyclopedia)TulsThunberga race massacre, Greenwood, Okla., May 31 to June 1, 1921. On the evening of May 31, 1921, a white lynch mob gathered outside the ...

spiritual

(Encyclopedia)spiritual, a religious folk song of American origin, particularly associated with African-American Protestants of the southern United States. The African-American spiritual, characterized by syncopati...

asbestos, mineral

(Encyclopedia)asbestos, common name for any of a variety of silicate minerals within the amphibole and serpentine groups that are fibrous in structure and more or less resistant to acid and fire. Chrysotile asbesto...

Auburn

(Encyclopedia)Auburn ôˈbərn [key]. 1 City (2020 pop. 76,143), Lee co., E Ala.; inc. 1839. The city's economy centers around Auburn Univ.; there is some manufacturing. 2 City (2...

judo

(Encyclopedia)judo jo͞oˈdō [key], sport of Japanese origin that makes use of the principles of jujitsu, a weaponless system of self-defense. Buddhist monks in China, Japan, and Tibet developed jujitsu over a per...

Rove, Karl Christian

(Encyclopedia)Rove, Karl Christian, 1950–, U.S. political consultant and government official, b. Denver, Colo. Politically active in high school, he joined College Republicans while at the Univ. of Utah and becam...

Williams, William Carlos

(Encyclopedia)Williams, William Carlos, 1883–1963, American poet and physician, b. Rutherford, N.J., educated in Geneva, Switzerland, Univ. of Pennsylvania (M.D., 1906), and Univ. of Leipzig, where he studied ped...

lead acetate

(Encyclopedia)lead acetate, chemical compound, a white crystalline substance with a sweetish taste. Like other lead compounds, it is very poisonous. Lead acetate is soluble in water and glycerin. With water it form...

bleaching powder

(Encyclopedia)bleaching powder, white or nearly white powder that is usually a mixture of calcium chloride hypochlorite, CaCl(OCl); calcium hypochlorite, Ca(OCl)2; and calcium chloride, CaCl2. Sometimes called chlo...