[ roo-bee ]
/ ˈru bi /
noun, plural ru·bies.
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.
ruby-colored: ruby lips.
containing or set or adorned with a ruby or rubies: a ruby necklace.
Words nearby ruby
Origin of ruby
1275–1325; Middle English rubi (noun) from Old French, from Old Provençal robi(n), from Medieval Latin rubīnus (lapis) “red (stone),” derivative of Latin ruber, rubeus red1
OTHER WORDS FROM rubyru·by·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for rubier
/ (ˈruːbɪ) /
noun plural -bies
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
Derived forms of rubyruby-like, adjective
Word Origin for ruby
C14: from Old French rubi, from Latin rubeus reddish, from ruber red
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for rubier
[ rōō′bē ]
A deep-red, translucent variety of the mineral corundum, containing small amounts of chromium and valued as a gem. Compare sapphire.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.