Corundum Definition

kə-rŭndəm
noun
A very hard mineral, aluminum oxide, Al2O3: a dark, coarse variety (emery) is used for grinding and polishing; clear, transparent varieties (ruby, sapphire) are used as gems.
Webster's New World
Synonyms:
  • corundom

Origin of Corundum

  • From Tamil குருந்தம் (kuruntam, “ruby”).

    From Wiktionary

  • Tamil kuruntam

    From American Heritage Dictionary of the English Language, 5th Edition

Corundum Sentence Examples

  • Of the less important minerals, Canada is the world's chief producer of asbestos and corundum.

  • There are indications of sapphires and other forms of corundum.

  • The great corundum deposits ofCorundumHill,Macon county,N.C.,have yielded good sapphires, and they are found also at Cowee Creek in the same county.

  • Have a look on the color wheel to see what red corundum is called.

  • Pretty sure I saw tiny air bubbles, so reckon they were synthetic corundum.

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Find Similar Words

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Words Starting With

CCOCOR

Words Ending With

MUMDUM

Unscrambles

corundum

Words Starting With C and Ending With M

Starts With C & Ends With MStarts With CO & Ends With MStarts With C & Ends With UM

Word Length

8 Letter Words8 Letter Words Starting With C8 Letter Words Ending With M