bauxite Meaning, Definition & Usage

  1. noun a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst

WordNet

Baux"ite, Beaux"ite noun (Also<
  • Bauxite
  • Beauxite
)
Etymology
F., fr. Baux or Beaux, near Arles.
Definitions
  1. (Min.) A ferruginous hydrate of alumina. It is largely used in the preparation of aluminium and alumina, and for the lining of furnaces which are exposed to intense heat.

Webster 1913