Alumina

Word ALUMINA
Character 7
Hyphenation a lu mi na
Pronunciations /əˈl(j)uːmɪnə/

Definitions and meanings of "Alumina"

What do we mean by alumina?

Any of several forms of aluminum oxide, Al2O3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation. noun

The oxid of aluminium, Al2O3, the most abundant of the earths. noun

One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3. noun

Aluminum oxide used especially in mining, material sciences and ceramics. noun

Any of various forms of aluminum oxide occurring naturally as corundum noun

Aluminum oxide, especially when used in mining, material sciences or ceramics.

Synonyms and Antonyms for Alumina

  • Synonyms for alumina
  • Alumina synonyms not found!!!
  • Antonyms for alumina
  • Alumina antonyms not found!

The word "alumina" in example sentences

Alcoa is also expected to benefit from the rise in alumina, a key raw material that is used to make aluminum. ❋ Robert Guy Matthews (2010)

"The primary reason we see gradually declining prices is the 60% increase in Chinese alumina capacity to about 22% of available world alumina supply," they wrote. ❋ Unknown (2009)

A protective wall of dolomite and earth – 610 yards (620 meters) long, with an average height of nearly 9 feet (2.7 meters) – has been built in Kolontar to shield the area from further spills of the red sludge, a highly caustic waste produced when making alumina, which is used to make aluminum. ❋ AP (2010)

In both cases, much of the pollution comes from the waste left after alumina, which is used to manufacture aluminum, is extracted from bauxite ore. ❋ AP (2010)

The suit accuses Alcoa and its agent—Canadian businessman Victor Dahdaleh —of conspiring to overcharge Alba by hundreds of millions of dollars for the purchase of thousands of tons of alumina, which is used to make aluminum. ❋ Dionne Searcey (2011)

Bauxite ore is refined into a white powder called alumina, which in turn makes the aluminum used in the world's cars and planes. ❋ Unknown (2010)

The suit, which sought monetary damages, accused Alcoa and Mr. Dahdaleh of conspiring to overcharge Alba for its purchase of thousands of tons of alumina, which is used to make aluminum. ❋ Amir Efrati (2010)

Bauxite is refined to produce alumina, which is then smelted to produce aluminum, a metal in great demand to meet the needs of India and China's booming construction and automobile industries. ❋ Unknown (2010)

Guinea holds a third of the world's bauxite reserves, the ore refined into a white powder called alumina that in turn makes the aluminum used in cars and planes. ❋ Unknown (2009)

Bauxite is the raw material for alumina, which is the raw material for aluminum. ❋ Unknown (2008)

Chinalco and Alcoa are both buyers of alumina, which is used to make aluminum. ❋ Unknown (2008)

Bauxite is refined first into alumina, which is then made into aluminum. ❋ Unknown (2008)

Bauxite is a reddish brown ore refined to produce alumina, which is then smelted to yield aluminum. ❋ Unknown (2008)

He derived the name from the mineral called alumina, which itself had only been named in English by the chemist Joseph Black in 1790. ❋ Unknown (2005)

It's called alumina silica, and it was invented by NASA and Lockheed, and what happens when a tile is being bonded -- if my hand is the belly of the orbiter and a tile is to be bonded on to that alumina structure much like on a pool table, the felt-type material, only a high-temperature version, is glued literally on to this chalky material. ❋ Unknown (2003)

Aluminum is derived from the oxide alumina, which is the principal constituent of common clay. ❋ Various (N/A)

Cross Reference for Alumina

  • Alumina cross reference not found!

What does alumina mean?

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