: an impure mixture of earthy hydrous aluminum oxides and hydroxides that is the principal source of aluminum
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Still, experts believe Venezuela has deposits of some minerals, such as coltan — of which the metals tantalum and niobium are derived — and bauxite, which can contain aluminum and gallium.
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John Towfighi, CNN Money, 11 Jan. 2026
The analyst added that another potential catalyst for the company, improved grades at Alcoa's bauxite mines, remains a 2028 story at the earliest.
—Lisa Kailai Han, CNBC, 8 Jan. 2026
Aluminium is manufactured by refining bauxite ore into alumina, which is then smelted into pure aluminium through an electrolytic process that requires large quantities of the mineral cryolite.
—Mark Wood, TheWeek, 7 Jan. 2026
Alongside oil, a large portion of the nation's mineral production — including nickel, bauxite, iron ore and gold — has declined over the past decade.
—Janet Loehrke, USA Today, 5 Jan. 2026
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John Towfighi, CNN Money, 11 Jan. 2026
The analyst added that another potential catalyst for the company, improved grades at Alcoa's bauxite mines, remains a 2028 story at the earliest.
—Lisa Kailai Han, CNBC, 8 Jan. 2026
Aluminium is manufactured by refining bauxite ore into alumina, which is then smelted into pure aluminium through an electrolytic process that requires large quantities of the mineral cryolite.
—Mark Wood, TheWeek, 7 Jan. 2026
Alongside oil, a large portion of the nation's mineral production — including nickel, bauxite, iron ore and gold — has declined over the past decade.
—Janet Loehrke, USA Today, 5 Jan. 2026
See All Example Sentences for bauxite
Cite this Entry
“Bauxite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bauxite. Accessed 22 Jan. 2026.
Copy CitationKids Definition
bauxite
noun
baux·ite
ˈbȯk-ˌsīt 
ˈbäk-
: a clayey substance that is the principal ore of aluminum
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