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

Corundum Meaning & Definition
Corundum Definition And Meaning

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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