baux·ite (bôk s t )n. The principal ore of aluminum, composed mainly of hydrous aluminum oxides and aluminum hydroxides. [After Les Baux, a commune of southeast France.] baux·it ic (-s tk) adj. |
bauxite [ˈbɔːksaɪt]
n
(Earth Sciences / Minerals) 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: Al2O3.nH2O
[from French, from (Les) Baux in southern France, where it was originally found]
| bauxite (bôkst) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | bauxite - a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst Al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite atomic number 31, gallium, Ga - a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition gibbsite - white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina |
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