- a red variety of corundum, used as a gem.
- something made of this stone or one of its imitations, as a bearing in a watch.
- a deep-red port wine.
- deep red; carmine.
- (initial capital letter) Digital Technology. an open-source, high-level programming language that is purely object-oriented.
- British Printing. a 5½-point type, nearly corresponding in size to American agate.
- ruby-colored: ruby lips.
- containing or set or adorned with a ruby or rubies: a ruby necklace.
Origin of ruby
- a deep red transparent precious variety of corundum: occurs naturally in Myanmar and Sri Lanka but is also synthesized. It is used as a gemstone, in lasers, and for bearings and rollers in watchmaking. Formula: Al 2 O 3
- the deep-red colour of a ruby
- (as adjective)ruby lips
- something resembling, made of, or containing a ruby
- (as modifier)ruby necklace
- (modifier) denoting a fortieth anniversaryour ruby wedding
- (formerly) a size of printer's type approximately equal to 5 1/2 point
Word Origin and History for rubier
"clear rich-red variety of corundum," c.1300, from Old French rubi (12c.), from Medieval Latin rubinus lapis "red stone" (cf. Italian rubino), from Latin rubeus "red," related to ruber (see red). As a color name from 1570s. As an adjective from late 15c. Modern French rubis is not explained; Klein suggests a plural mistaken for singular.
- A deep-red, translucent variety of the mineral corundum, containing small amounts of chromium and valued as a gem. Compare sapphire.