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Hasil cari dari kata atau frase: alumina(0.01066 detik)
Found 2 items, similar to alumina.
English → English (WordNet)
n : any of various forms of aluminum oxide occurring naturally
as corundum [syn: aluminum oxide, aluminium oxide]
English → English (gcide)
Alumina \A*lu"mi*na\, n. [L. alumen, aluminis. See Alum.]
One of the earths, consisting of two parts of aluminium and
three of oxygen, Al2O3.
Note: It is the oxide of the metal aluminium, the base of
aluminous salts, a constituent of a large part of the
earthy siliceous minerals, as the feldspars, micas,
scapolites, etc., and the characterizing ingredient of
common clay, in which it exists as an impure silicate
with water, resulting from the decomposition of other
aluminous minerals. In its natural state, it is the