madeira river
Definition
Proper noun A major South American river, approximately 3,250 km (2,020 miles) long, which is a principal tributary of the Amazon River. It is formed by the confluence of the Mamoré and Beni rivers on the Bolivia-Brazil border and flows north-northeast through Brazil to join the Amazon River east of Manaus.
Usage
The term "Madeira River" is used as a specific geographical name to refer to this river. It is always capitalized. * The Madeira River is one of the Amazon's largest tributaries by volume. * Several hydroelectric dams have been constructed on the Madeira River. * The city of Porto Velho is located on the banks of the Madeira River.
Advanced Usage
- The river's name, "Madeira," is Portuguese for "wood," reflecting the large amount of timber once transported down its waters.
- In geographical and environmental contexts, the Madeira River is often discussed for its rich biodiversity and its role in the Amazon Basin's hydrology.
Variants and Related Words
- Madeira (noun): When used in a geographical context without "River," it typically still refers to the river, though this can be ambiguous as "Madeira" can also refer to the Portuguese archipelago or a type of wine.
- The construction impacted the fish migration in the Madeira.
Synonyms
- Rio Madeira (Proper noun): The Portuguese name for the river.
- Major Amazon tributary (Noun phrase): A descriptive synonym highlighting its relationship to the Amazon River.
Noun
-
a Brazilian river; tributary of the Amazon River
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