CORUNDUM
\kəɹˈʌndəm], \kəɹˈʌndəm], \k_ə_ɹ_ˈʌ_n_d_ə_m]\
Definitions of CORUNDUM
- 2010 - Medical Dictionary Database
- 1919 - The Winston Simplified Dictionary
- 1920 - A practical medical dictionary.
- 1899 - The american dictionary of the english language.
- 1919 - The Concise Standard Dictionary of the English Language
- 1914 - Nuttall's Standard dictionary of the English language
- 1874 - Etymological and pronouncing dictionary of the English language
- 1916 - Appleton's medical dictionary
- 1871 - The Cabinet Dictionary of the English Language
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An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.
By DataStellar Co., Ltd
By William Dodge Lewis, Edgar Arthur Singer
By Stedman, Thomas Lathrop
By Daniel Lyons
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An extremely hard mineral, an oxid of aluminum, of which the inferior varieties are used for polishing and the finely colored as gems. Emery is the granular variety.
By James Champlin Fernald
By Nuttall, P.Austin.
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The hardest known mineral except the diamond, generally of a greyish or greenish-brown tint, used for polishing steel and cutting gems.
By Stormonth, James, Phelp, P. H.