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)

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" , ? , } , }