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What is the difference between corundum and ruby?

corundum | ruby |

Ruby is a related term of corundum.



As nouns the difference between corundum and ruby

is that corundum is an extremely hard mineral, a form of aluminum oxide with the chemical formula Al2O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive while ruby is a clear, deep, red variety of corundum, valued as a precious stone.

As an adjective ruby is

of a deep red colour.

As a verb ruby is

to make red; to redden.

As a proper noun Ruby is

{{given name|female|from=English}}.

corundum

English

(wikipedia corundum)

Noun

(-)
  • (mineral) An extremely hard mineral, a form of aluminum oxide with the chemical formula Al]]2[[oxygen, O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

    • ruby

    English

    (wikipedia ruby)

    Etymology 1

    From (etyl) rubi, from (etyl) .

    Noun

    (rubies)
  • A clear, deep, red variety of corundum, valued as a precious stone.
  • * {{quote-magazine, date=2012-03
    • , author=Lee A. Groat , title=Gemstones , volume=100, issue=2, page=128 , magazine=(American Scientist) citation , passage=Although there are dozens of different types of gems, among the best known and most important are diamond, ruby and sapphire, emerald and other gem forms of the mineral beryl, chrysoberyl, tanzanite, tsavorite, topaz and jade.}}
  • (obsolete) A red spinel.
  • A deep red colour.
  • * Shakespeare
    • the natural ruby of your cheeks
  • (typesetting, British) Type having a height of 5.5 points.
  • A (ruby hummer), a South American hummingbird, .
  • A red bird-of-paradise, .
  • (printing) agate (a size of type)
    • Synonyms
    * (typesetting) agate (US)

    See also

    * * carbuncle * corundum * spinel * (Ruby)

    Adjective

    (en adjective)
  • Of a deep red colour.

    • Derived terms

    * balas ruby * Colorado ruby * rubasse * rubicund * rubious * rubric * ruby port * ruby spinel * ruby wedding * ruby-throated hummingbird * star ruby

    Verb

  • (poetic) To make red; to redden.
    • (Alexander Pope)

    Related terms

    * corundum

    Etymology 2

    From the British 5.5-point font Ruby , used for annotations in printed documents.

    Noun

    (rubies)
  • A pronunciation guide written above or beside Chinese or Japanese characters.
    • {, border="1" cellpadding="5" align="center" , +caption , The Japanese ruby characters (furigana'') for ''Tokyo ("") , - ! hiragana ! katakana ! romaji , - , {, border="0" cellpadding="2" cellspacing="0" , - , style="text-align: center; font-size: 120%" lang="ja" , ?? , style="text-align: center; font-size: 120%" lang="ja" , ??? , - , style="text-align: center; font-size: 200%" lang="ja" , ? , style="text-align: center; font-size: 200%" lang="ja" , ? , } , {, border="0" cellpadding="2" cellspacing="0" , - , style="text-align: center; font-size: 120%" lang="ja" , ?? , style="text-align: center; font-size: 120%" lang="ja" , ??? , - , style="text-align: center; font-size: 200%" lang="ja" , ? , style="text-align: center; font-size: 200%" lang="ja" , ? , } , {, border="0" cellpadding="2" cellspacing="0" , - , - , style="text-align: center; font-size: 120%" , t? , style="text-align: center; font-size: 120%" , ky? , - , style="text-align: center; font-size: 200%" lang="ja" , ? , style="text-align: center; font-size: 200%" lang="ja" , ? , } , }
    Synonyms
    * rubi

    See also

    * furigana * yomigana * pinyin * Zhuyin * (Ruby characters)

    Anagrams

    * bury