ruby

Definition

A clear, deep, red variety of corundum, valued as a precious stone.

Etymology

From Middle English ruby, rube, from Old French rubi, from Medieval Latin rubīnus. Doublet of rubi and rubine. Etymology 1 sense 7 (“pronunciation guide”) is from the British 5½-point type size (etymology 1 sense 6), used for annotations in printed documents.

Example Sentences

• "They respond instantly to the faintest rustling in the covert of a sheaf of Ulysses S. Grants, or the homely, rustic tinkle of a wheelbarrow full of rubies being jounced along over a nightclub floor."
• "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."
• "When now I thinke you can behold such sights, / And keepe the naturall Rubie of your Cheekes, / When mine is blanch'd with feare."

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