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brownstone

(Encyclopedia)brownstone, red to brown variety of sandstone. Its unusual color is caused in some instances by the presence of red iron oxide which acts as a cement, binding the sand grains together. Vast thicknesse...

agate

(Encyclopedia)agate ăgˈĭt [key], translucent, cryptocrystalline variety of quartz and a subvariety of chalcedony. Agates are identical in chemical structure to jasper, flint, chert, petrified wood, and tiger's-e...

brandy

(Encyclopedia)brandy [for brandywine, from Du.,=burnt, i.e., distilled, wine], strong alcoholic spirit distilled from wine or from marc, the residue of the wine press. The most noted brandy is cognac, made from whi...

cavalier King Charles spaniel

(Encyclopedia)cavalier King Charles spaniel, breed of small dog developed in the early 20th cent. from the English toy spaniel. It stands about 12 in. (30 cm) high at the shoulder and weighs from 13 to 18 lb (6–8...

Cardigan Welsh corgi

(Encyclopedia)Cardigan Welsh corgi, breed of short, long-bodied working dog believed to have been introduced into Wales from Central Europe c.1200 b.c. It stands about 12 in. (30.5 cm) high at the shoulder and weig...

stratification

(Encyclopedia)stratification (Lat.,=made in layers), layered structure formed by the deposition of sedimentary rocks. Changes between strata are interpreted as the result of fluctuations in the intensity and persis...

straw

(Encyclopedia)straw, dried stalks of threshed grains, especially wheat, barley, oats, and rye. It has been used from antiquity for bedding, covering floors, and thatching roofs, as fodder and litter for animals, an...

Turrell, James

(Encyclopedia)Turrell, James, 1943–, American installation and land artist, b. Los Angeles, grad. Pomona College (B.A., 1965), Claremont Graduate School (M.F.A., 1973). Turrell's career began in the 1960s art sce...

Tworkov, Jack

(Encyclopedia)Tworkov, Jack, 1900–82, American painter, b. Bela, Russia (now Biała, Poland). His family immigrated to the United States in 1913 and settled in New York. He studied at Columbia (B.A., 1923) and la...

basking shark

(Encyclopedia)basking shark, large, plankton-feeding shark, Cetorhinus maximus, inhabiting many oceans of the world, especially in temperate regions. Found singly or in schools of up to 100, it spends much of its t...