Also found in: Thesaurus, Medical, Financial, Acronyms, Encyclopedia.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a•lu•mi•na(əˈlu mə nə)
the natural or synthetic oxide of aluminum, Al2O3, occurring in nature in a pure crystal form as corundum.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Switch to new thesaurus
|Noun||1.||aluminum oxide - any of various forms of aluminum oxide occurring naturally as corundum|
furnace lining, refractory - lining consisting of material with a high melting point; used to line the inside walls of a furnace
alundum - a substance made of fused alumina
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.