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Roman architecture

(Encyclopedia)Roman architecture, structures produced by the ancient Romans. Most important among the structures developed by the Romans themselves were basilicas, baths, amphitheaters, and triumphal arches. U...

collagen

(Encyclopedia)collagen kŏlˈəjən [key], any of a group of proteins found in skin, ligaments, tendons, bone and cartilage, and other connective tissue. Cells called fibroblasts form the various fibers in connecti...

combinatorics

(Encyclopedia)combinatorics kŏmˌbĭnətôrˈēəl [key], sometimes called the science of counting, the branch of mathematics concerned with the selection, arrangement, and operation of elements within sets. Combi...

Hoover Dam

(Encyclopedia)Hoover Dam, 726 ft (221 m) high and 1,244 ft (379 m) long, on the Colorado River between Nev. and Ariz.; one of the world's largest dams. Built between 1931 and 1936 by the U.S. Bureau of Reclamation,...

Grand Coulee Dam

(Encyclopedia)Grand Coulee Dam ko͞oˈlē [key], 550 ft (168 m) high and 4,173 ft (1,272 m) long, on the Columbia ...

Glen Canyon Dam

(Encyclopedia)Glen Canyon Dam, 710 ft (216 m) high, 1,560 ft (475 m) long, NE Ariz., on the Colorado River. The key unit of the U.S. Bureau of Reclamation's Colorado River storage project, it is one of the world's ...

geodesy

(Encyclopedia)geodesy jēŏdˈĭsē [key] or geodetic surveying, theory and practice of determining the position of points on the earth's surface and the dimensions of areas so large that the curvature of the earth...

Koolhaas, Rem

(Encyclopedia)Koolhaas, Rem (Remmet Lucas Koolhaas), 1944–, Dutch architect, b. Rotterdam. He began his career as a journalist and screenwriter, moving to London in the late 1960s to study architecture. Koolhaas ...

Rome, cities, United States

(Encyclopedia)Rome. 1 City (1990 pop. 30,326), seat of Floyd co., NW Ga., where the Etowah and Oostanaula rivers meet to form the Coosa, in a farm, timber, and quarry area; inc. 1847. The city was first established...