Definition of Rio Negro in English:

Rio Negro

Line breaks: Rio Negro
Pronunciation: /ˌriːəʊ ˈneɪgrəʊ
 
, ˈnɛg-/
  • A river of South America, which rises as the Guainia in eastern Colombia and flows for about 2,255 km (1,400 miles) through NW Brazil before joining the Amazon near Manaus.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody