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flood, in hydrology

(Encyclopedia)flood, inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of these exceeds the ...

museums of science

(Encyclopedia)museums of science, institutions or buildings where collections relevant to science and technology are preserved and displayed to promote education and research. While the preponderance of these museu...

Henry VII, king of England

(Encyclopedia)Henry VII, 1457–1509, king of England (1485–1509) and founder of the Tudor dynasty. Henry was an astute political leader. He established the Tudor tradition of strong rule tempered by a sense ...

infrared astronomy

(Encyclopedia)infrared astronomy, study of celestial objects by means of the infrared radiation they emit, in the wavelength range from about 1 micrometer to about 1 millimeter. All objects, from trees and building...

Eastern Question

(Encyclopedia)Eastern Question, term designating the problem of European territory controlled by the decaying Ottoman Empire in the 18th, 19th, and early 20th cent. The Turkish threat to Europe was checked by the H...

São Tomé and Principe

(Encyclopedia)CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...

prostitution

(Encyclopedia)prostitution, act of granting sexual access for payment. Although most commonly conducted by females for males, it may be performed by females or males for either females or males. Prostitution in A...

North Atlantic Treaty Organization

(Encyclopedia)North Atlantic Treaty Organization (NATO), established under the North Atlantic Treaty (Apr. 4, 1949) by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, the Netherlands, N...

woodcut and wood engraving

(Encyclopedia)woodcut and wood engraving, prints made from designs cut in relief on wood, in contrast to copper or steel engraving and etching (which are intaglio). The term woodcutting is loosely included within t...

Sites of the Modern Olympic Games (table)

(Encyclopedia)Sites of the Modern Olympic Games Summer Games Winter Games ...