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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...

campanile

(Encyclopedia)campanile kămpənēˈlē, Ital. kämpänēˈlā [key], Italian form of bell tower, constructed chiefly during the Middle Ages. Built in connection with a church or a town hall, it served as a belfry ...

centering

(Encyclopedia)centering, the framework of wood or of wood and steel built to support a masonry arch or vault during its construction. The centering itself must be rigidly supported, either by posts from the ground ...

Pskov

(Encyclopedia)Pskov pəskôfˈ [key], city (1989 pop. 204,000), capital of Pskov region, NW European Russia, on the Velikaya River. It is an important rail junction in the heart of a flax-growing area. Industries i...

Persian art and architecture

(Encyclopedia)Persian art and architecture, works of art and structures produced in the region of Asia traditionally known as Persia and now called Iran. Bounded by fierce mountains and deserts, the high plateau of...

Saramago, José

(Encyclopedia)Saramago, José zho͞ozĕˈ särˌämäˈgo͞o [key], 1922–2010, Portuguese novelist and short-story writer. He became a member of the Communist party in 1969 and was a staunch atheist and a strong ...

chipmunk

(Encyclopedia)chipmunk, rodent of the family Sciuridae (squirrel family). The chipmunk of the E United States and SE Canada is of the genus Tamias. The body of the common Eastern chipmunk, Tamias striatus, is about...

Epstein, Sir Jacob

(Encyclopedia)Epstein, Sir Jacob ĕpˈstīn [key], 1880–1959, sculptor, b. New York City. He studied with Rodin in Paris and later worked chiefly in England. In revolt against the ornate and the pretty in art, Ep...

gall bladder

(Encyclopedia)CE5 Gall bladder gall bladder, small pear-shaped sac that stores and concentrates bile. It is connected to the liver (which produces the bile) by the hepatic duct. When food containing fat reaches...

jade

(Encyclopedia)jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green variety is the more...