from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See alumina.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative spelling of aluminium oxide.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of various forms of aluminum oxide occurring naturally as corundum
Sorry, no etymologies found.
At the smelter, the aluminum oxide crystals are dissolved in a bath of something called cryolite (sodium aluminum fluoride) and zapped with enormous jolts of electricity (100,000 to 150,000 amps), which strips the oxygen from the aluminum.