Definitions

1. noun

a soft, yellowish, or reddish-brown rock that is the chief commercial source of aluminum oxide and is also used in refractory materials and as a pigment.

“The mining company extracted bauxite from the deep earth and then processed it into aluminum oxide for use in the industry.”

2. geology

a type of sedimentary rock that is primarily composed of the mineral gibbsite (Al(OH)3) or other aluminum hydroxides.

“Bauxite is often found in tropical and subtropical regions, where it has formed as a result of the weathering of the underlying rocks.”