Alumina is valid Scrabble Word

Definitions for ALUMINA in dictionary:

NOUN:
• an oxide of aluminum, also ALUMIN, ALUMINE
• a white solid that is a major constituent of many rocks, especially clays, and is found crystallized as corundum, sapphire, and other minerals.
• aluminium oxide
• One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
• any of various forms of aluminum oxide occurring naturally as corundum

Words related to ALUMINA

alumin8 aluminas10

Words that contain ALUMINA

aluminas10 aluminate11 aluminates12

How to use ALUMINA in a sentence

• Thus the percentage amount of alumina is increased.
• Sandy soils are characterised by excess of silica, and deficiency of alumina, phosphates and potash.
• Alumina acts in the opposite direction, an excess of this compound tending to make the colour lighter and brighter.
• The substances found in the soluble inorganic matter of soils are lime, magnesia, alumina, silica, phosphoric acid, oxide of iron, oxide of manganese, potash and soda.
• Lastly, this liquid being partly evaporated, crystals of sulphate of iron were deposited, and the not evaporated liquid, which contained the sulphate of alumina, was thrown away.
• Braconnot, in 1820, obtained alumina by treating wood with an alkali, but the first application of wood to the manufacture of paper was due to Chauchard.
• Pure alumina is a white crystalline powder, or yellowish-white, and amorphous when produced by drying the hydrate, separated chemically from its salts.
• The neutral salts of alumina, with most acids, are insoluble in water.
• The bead is turbid, as well in the heat as the cold, when an excess of alumina is present.
• When the alumina compound is added to excess in the powdered form, the bead appears crystalline upon cooling, and melts again with great difficulty.
• Alumina and its compounds are slowly dissolved in the microcosmic salt to a bead, clear in both flames, and when hot or cold.
• It is white and insoluble in the pure state, and its properties generally are similar to those of alumina.
• If not containing too much iron or manganese gives an alumina reaction with nitrate of of cobalt.
• The alumina filtered off, ignited, and tested in a radiant matter tube gave as good a crimson line spectrum as did that from the original sulphate.
• The oxide of iron, alumina, lime, and magnesia are thus dissolved, and the silica remains as insoluble residue.

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