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bauxite

American  
[bawk-sahyt, boh-zahyt] / ˈbɔk saɪt, ˈboʊ zaɪt /

noun

  1. a rock consisting of aluminum oxides and hydroxides with various impurities: the principal ore of aluminum.


bauxite British  
/ ˈbɔːksaɪt /

noun

  1. a white, red, yellow, or brown amorphous claylike substance comprising aluminium oxides and hydroxides, often with such impurities as iron oxides. It is the chief ore of aluminium. General formula: Al 2 O 3 . n H 2 O

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

bauxite Scientific  
/ bôk′sīt′ /
  1. A soft, whitish to reddish-brown rock consisting mainly of hydrous aluminum oxides and aluminum hydroxides along with silica, silt, iron hydroxides, and clay minerals. Bauxite forms from the breakdown of clays and is a major source of aluminum.


Other Word Forms


Etymology

Origin of bauxite

1860–65; named after Les Baux, near Arles in S France; see -ite 1


Vocabulary lists containing bauxite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Alcoa last month also agreed to buy South32’s bauxite, alumina and aluminum operations across Australia, Brazil and South Africa.

From The Wall Street Journal ● Jul. 16, 2026

The metal is extracted from minerals and rocks such as bauxite and does not occur naturally in its pure form.

From Science Daily ● Jul. 9, 2026

Guinea is also the world's largest producer of bauxite, used to make aluminium.

From BBC ● Jun. 22, 2026

But it is also rich in gold, diamonds, bauxite and coltan, a mineral essential for technology and defense that is classified as critical by Western powers, as well as rare earths.

From Barron's ● Jun. 4, 2026

He has skills developed operating heavy machinery, laboring over a stew of molten bauxite at Kaiser Aluminum, once one of the best jobs in Spokane, Washington, a city of 200,000.

From "Class Matters" by The New York Times

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