About The Word Corundum
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
| 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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