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Canyonlands National Park

(Encyclopedia)Canyonlands National Park, 337,598 acres (136,679 hectares), SE Utah; est. 1964. Located in a desert region, the park contains a maze of deep canyons and many unusual features carved by wind and water...

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 ...

heartburn

(Encyclopedia)heartburn, burning sensation beneath the breastbone, also called pyrosis. Heartburn does not indicate heart malfunction but results from nervous tension or overindulgence in food or drink. The sensati...

Lowell, Amy

(Encyclopedia)Lowell, Amy, 1874–1925, American poet, biographer, and critic, b. Brookline, Mass., privately educated; sister of Percival Lowell and Abbott Lawrence Lowell. In 1912 she published A Dome of Many-Col...

Mansart, Jules Hardouin

(Encyclopedia)Mansart or Mansard, Jules Hardouin mäNsärˈ [key], 1646–1708, French architect. He studied under his great-uncle François Mansart and under Libéral Bruant. Favored by Louis XIV, he was ennobled...

Sinan

(Encyclopedia)Sinan sēnän [key], Muslim architect, 1490?–1588?. He is regarded as the greatest of Islamic builders, and his finest achievements lie in his solutions to spatial problems posed by dome-topped stru...

diaphragm

(Encyclopedia)CE5 Diaphragm diaphragm dīˈəfrămˌ [key], term used to describe any of several large muscles, found in humans and other mammals, which separate two adjacent regions of the body. The most commo...

Klobuchar, Amy Jean

(Encyclopedia) Klobuchar, Amy Jean, Senator from Minnesota, 1960- , b. Plymouth, Mn,, Yale University (B.A., 1982), University of Chicago Law School (J.D., 1985)....

tent

(Encyclopedia)tent, portable shelter of canvas, skins, felt, matting, or other material usually supported by poles and used chiefly by nomads, hunters, and campers. Tents have been used by pastoral peoples since an...

transept

(Encyclopedia)transept trănˈsĕptˌ [key], term applied to the transverse portion of a building cutting its main axis at right angles or to each arm of such a portion. Transepts are found chiefly in churches, whe...