Demerara(redirected from Demerera)
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Demerara(dĕmərâr`ə), 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. The Demerara is navigable for oceangoing vessels to Mackenzie, an important exporting center for bauxite and kaolin.
a river in Guyana, South America. Length, about 350 km; basin area, 6,000 sq km. It flows northward in a valley of tropical rainforest and empties into the Atlantic Ocean. It floods in the summer. It is navigable up to 160 km from its mouth. The port of Georgetown is located at its mouth. The valley of the Demerara has bauxite deposits.