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February Revolution, in French history

(Encyclopedia)February Revolution, 1848, French revolution that overthrew the monarchy of Louis Philippe and established the Second Republic. General dissatisfaction resulted partly from the king's increasingly rea...

Sabatier, Paul, French organic chemist

(Encyclopedia)Sabatier, Paul, 1854–1941, French organic chemist, D.Sc. Collège de France, 1880. He joined the faculty at the Univ. of Toulouse in 1882 and taught there until he retired in 1930. Sabatier was a co...

Mazaruni

(Encyclopedia)Mazaruni mäzəro͞oˈnē [key], river, c.350 mi (560 km) long, rising in the Guiana Highlands, NW Guyana, and flowing generally E to the Essequibo River at Bartica. The river is the center of Guyana'...

Demerara

(Encyclopedia)Demerara dĕmərârˈə [key], river, c.200 mi (320 km) long, rising in the Guiana Highlands, E Guyana, and flowing N to the Atlantic Ocean. Georgetown, Guyana's chief port, is at the river's mouth. T...

South America

(Encyclopedia)CE5 South America, fourth largest continent (2015 est. pop. 416,436,000), c.6,880,000 sq mi (17,819,000 sq km), the southern of the two continents of the Western Hemisphere. It is divided political...

European Space Agency

(Encyclopedia)European Space Agency (ESA), multinational agency dedicated to the promotion, for exclusively peaceful purposes, of cooperation among European states in space research and technology. Member states in...

Roraima, Mount

(Encyclopedia)Roraima, Mount ro͝orīˈmə [key], mountain, 9,219 ft (2,810 m) high, at the junction of the boundaries of Brazil, Guyana, and Venezuela. A giant table mountain, it is the highest point in the Guiana...

Benjamin, Park

(Encyclopedia)Benjamin, Park, 1809–64, American journalist, b. British Guiana (now Guyana). As owner and editor of the New England Magazine, he merged it (1835) with the American Monthly Magazine of New York and ...

blowgun

(Encyclopedia)blowgun, hollow tube from which a dart or an arrow is blown by a person's breath. The arrow was usually tipped with a poison, such as curare, which would stun or kill the struck prey. Blowguns were wi...

Essequibo

(Encyclopedia)Essequibo ĕsākēˈbō [key], longest river of Guyana, c.600 mi (970 km) long, rising in the Guiana Highlands, S Guyana, and flowing generally N to the Atlantic Ocean. Most of the river's course is b...