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sodium hydroxide

(Encyclopedia)sodium hydroxide, chemical compound, NaOH, a white crystalline substance that readily absorbs carbon dioxide and moisture from the air. It is very soluble in water, alcohol, and glycerin. It is a caus...

sandstorm

(Encyclopedia)sandstorm, strong dry wind blowing over the desert that raises and carries along clouds of sand or dust often so dense as to obscure the sun and reduce visibility almost to zero; also known as a dusts...

Boxer Uprising

(Encyclopedia)Boxer Uprising, 1898–1900, antiforeign movement in China, culminating in a desperate uprising against Westerners and Western influence. By the end of the 19th cent. the Western powers and Japan had ...

Monroe, Bill

(Encyclopedia)Monroe, Bill (William Smith Monroe), 1911–96, country singer, musician, and songwriter, often called the “father of bluegrass,” b. Rosine, Ky. A m...

performance art

(Encyclopedia)performance art, multimedia art form originating in the 1970s in which performance is the dominant mode of expression. Perfomance art may incorporate such elements as instrumental or electronic music,...

Triangle Waist Company

(Encyclopedia)Triangle Waist Company, often called the Triangle Shirtwaist Co., manufacturers of women's cotton and linen blouses. Located in lower Manhattan in the early 20th cent., on Mar. 25, 1911 it was the sit...

smuggling

(Encyclopedia)smuggling, illegal transport across state or national boundaries of goods or persons liable to customs or to prohibition. Smuggling has been carried on in nearly all nations and has occasionally been ...

Rainey, Gertrude "Ma"

(Encyclopedia)Rainey, Gertrude "Ma," 1886–1939, African-American blues singer and songwriter, b. Columbus, Ga., as Gertrude Melissa Nix Pridgett. Rainey's place and...

balance of trade

(Encyclopedia)balance of trade, relation between the merchandise exports and imports of a country. The concept first became important in the 16th and 17th cent. with the growth of mercantilism. Mercantilist theoris...

Pleasanton

(Encyclopedia)Pleasanton, city (1990 pop. 50,553), Alameda co., W Calif., a suburb of the San Francisco–Oakland area, in a vineyard and dairy region; inc. 1894. Wine and cheese are produced, and there are publish...