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Cleaver, Eldridge

(Encyclopedia)Cleaver, Eldridge (Leroy Eldridge Cleaver), 1935–98, African-American social activist, b. Wabbaseka, Ark. Growing up in Los Angeles, he spent much of 1954–66 in prison for various crimes including...

Grasse

(Encyclopedia)Grasse, town, Alpes-Maritime dept., SE France. Probably founded in Roman times, Grasse was a commercial center during the Middle Ages. Destroyed many ti...

Popayán

(Encyclopedia)Popayán pōpäyänˈ [key], city (1993 pop. 169,423), alt. 5,500 ft (1,676 m), capital of Cauca dept., SW Colombia, on a volcanic terrace high above the Cauca River. It produces textiles and foodstuf...

Provincetown

(Encyclopedia)Provincetown, resort town (1990 pop. 3,374), Barnstable co., SE Mass., on the tip of Cape Cod, with a harbor on Cape Cod Bay; inc. 1727. The principal industries are tourism and fishing. The Pilgrims ...

Sparks

(Encyclopedia)Sparks, city (1990 pop. 53,367), Washoe co., W Nev., just E of Reno; inc. 1905. The Southern Pacific RR was the major employer until the dieselization of railroad engines forced the closing (1957) of ...

plane

(Encyclopedia)plane, in mathematics, flat surface of infinite extent but no thickness. An example of a plane, or more exactly of a bounded portion of a plane, is the surface forming one face, or side, of a cube. A ...

analytic geometry

(Encyclopedia)analytic geometry, branch of geometry in which points are represented with respect to a coordinate system, such as Cartesian coordinates, and in which the approach to geometric problems is primarily a...

lightship

(Encyclopedia)lightship, moored vessel bearing lights and other signal devices to guide ships and warn of hazards to navigation. Lightships are generally stationed at points where a lighthouse cannot be erected; th...

triceps

(Encyclopedia)triceps, any muscle having three heads, or points of attachment, but especially the triceps brachii at the back of the upper arm. One head originates on the shoulder blade and two on the upper-arm bon...

Tuscaloosa

(Encyclopedia)Tuscaloosa təskəlo͞oˈsə [key], city (1990 pop. 77,759), seat of Tuscaloosa co., W central Ala., on the Black Warrior River; inc. 1819. It is a transportation and manufacturing center, with indust...