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Georgetown, city, Guyana

(Encyclopedia)Georgetown, city (1985 est. pop. 75,000), capital and largest city of Guyana, on the Atlantic Ocean at the mouth of the Demerara River. It was known as Stabroek when the Dutch controlled the region an...

wind shear

(Encyclopedia)wind shear, a sudden, drastic change in wind direction or speed over a comparatively short distance. Most winds travel horizontally, as does most wind shear, but under certain conditions, including th...

Agamemnon

(Encyclopedia)Agamemnon ăˌgəmĕmˈnŏn [key], in Greek mythology, leader of the Greek forces in the Trojan War; king of Mycenae (or Argos). He and Menelaus were sons of Atreus and suffered the curse laid upon Pe...

wind instrument

(Encyclopedia)CE5 Wind instruments wind instrument, in music, any instrument whose tone is produced by a vibrating column of air. In the pipe organ the column of air is set into vibration by mechanical means. O...

Nafud

(Encyclopedia)Nafud nĕfo͞odˈ [key], desert area in the northern part of the Arabian peninsula, occupying a great oval depression; 180 mi (290 km) long and 140 mi (225 km) wide. This area of red sand is surrounde...

Galápagos Islands

(Encyclopedia)Galápagos Islands gəlăpˈəgōs [key] [Span.,=tortoises], archipelago and province, 3,029 sq mi ...

Zapotec

(Encyclopedia)Zapotec zäˈpətĕk, säˈ– [key], indigenous people of Mexico, primarily in S Oaxaca and on the Isthmus of Tehuantepec. Little is known of the origin of the Zapotec. Unlike most native peoples of ...

Shenandoah National Park

(Encyclopedia)Shenandoah National Park, 198,081 acres (80,195 hectares), N Va., extending 80 mi (129 km) along the crest of the Blue Ridge. Authorized in 1926, it was fully established as a national park in 1935. S...

pumice

(Encyclopedia)pumice pŭmˈĭs [key], volcanic glass formed by the solidification of lava that is permeated with gas bubbles. Usually found at the surface of a lava flow, it is colorless or light gray and has the g...

Perse, St.-John

(Encyclopedia)Perse, St.-John, pseud. of Alexis Saint-Léger Léger, 1887–1975, French poet and diplomat, b. West Indies. Léger, an opponent of appeasement of the Nazis, was enormously influential in France's fo...