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Cuiabá(ko͞oyəbä`), city (1996 pop. 443,101), capital of Mato Grosso state, SW Brazil, at the head of navigation on the Cuiabá River. Founded in the gold rush of the early 18th cent., it has been the state capital since 1818. The city is a trading center for an extensive cattle-raising and agricultural area. Economic development has been hampered by Cuiabá's isolation and by the shortage of labor. Riverboats remain an important means of communication.
a city in western Brazil and the administrative center of the Mato Grosso state. Population, 100,900 (1970). Cuiabá is a port on the Cuiabá River (a tributary of the Paraguay) and a highway junction; it has an airport. The city is one of the centers of an underdeveloped region, whose economy is based on gold and diamond mining, lumber industries, hunting, fishing, and subsistence agriculture. The major industries are food-processing, woodworking, and the production of building materials. Cuiabá was founded in the 18th century.