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Delaware Water Gap

(Encyclopedia)Delaware Water Gap dĕlˈəwâr, –wər [key], scenic gorge, 2 mi (3.2 km) long, cut by the Delaware River through Kittatinny Mt., on the N.J.–Pa. line; located in a mountain resort area around Str...

Dells of the Wisconsin

(Encyclopedia)Dells of the Wisconsin, The Dells, or The Wisconsin Dells, scenic part of the Wisconsin River, central Wis., NW of Portage. The river has cut a deep gorge through 8 mi (12.9 km) of sandstone, which i...

dentition

(Encyclopedia)dentition, kind, number, and arrangement of the teeth of humans and other animals. During the course of evolution, teeth were derived from bony body scales similar to the placoid scales on the skin of...

Deukmejian, George

(Encyclopedia)Deukmejian, George (Courken George Deukmejian, Jr.), 1928–2018, American political leader, b. Menands, N.Y., grad. St. Bernardine of Siena College (now Siena College), 1949, St. John's Univ. law sch...

diamond

(Encyclopedia)diamond, mineral, one of two crystalline forms of the element carbon (see allotropy), the hardest natural substance known, used as a gem and in industry. The discoveries of 1870–71 in South Africa...

die

(Encyclopedia)die, any of various devices used for drawing wire, and for blanking, bending, cutting, machine forging, and embossing. Dies used for striking, or stamping, coins and medals are cut in intaglio, one fo...

Diefenbaker, John George

(Encyclopedia)Diefenbaker, John George dēˈfənbāˌkər [key], 1895–1979, Canadian political leader. Elected to Parliament (1940), he succeeded George Drew as leader of the Progressive Conservative party (1956)...

alimony

(Encyclopedia)alimony, in law, allowance for support that an individual pays to his or her former spouse, usually as part of a divorce settlement. It is based on the common law right of a wife to be supported by he...

disk plow

(Encyclopedia)disk plow or disk, farm implement employing a row or rows of concave circular steel disks that cut and pitch the soil in a way somewhat similar to a moldboard plow. It can be used in many situations w...

DNA fingerprinting

(Encyclopedia)DNA fingerprinting or DNA profiling, any of several similar techniques for analyzing and comparing DNA from separate sources, used especially in law enforcement to identify suspects from hair, blood, ...