About The Word Corundum
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Learn about the word Corundum to help solve your crossword puzzle. Discover Corundum definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Corundum
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Corundum Definition And Meaning |
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What's The Definition Of Corundum?
[n] very hard mineral used as an abrasive
Synonyms | Synonyms for Corundum: corundom Related Terms | Find terms related to Corundum: See Also | alumina | aluminium oxide | aluminum oxide | emery | mineral | ruby | sapphire Corundum In Webster's Dictionary \Co*run"dum\ (k?-r?n"d?m), n.; pl. {Corundums} (-d?mz).
[Also corindon.] [From Hind. kurand corundum stone.] (Min.)
The earth alumina, as found native in a crystalline state,
including sapphire, which is the fine blue variety; the
oriental ruby, or red sapphire; the oriental amethyst, or
purple sapphire; and adamantine spar, the hair-brown variety.
It is the hardest substance found native, next to the
diamond.
Note: The name corundum is sometimes restricted to the
non-transparent or coarser kinds. Emery is a
dark-colored granular variety, usually admixed with
magnetic iron ore.
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