ruby

[ roo-bee ]
/ ˈru bi /

noun, plural ru·bies.

adjective

ruby-colored: ruby lips.
containing or set or adorned with a ruby or rubies: a ruby necklace.

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 ruby

ru·by·like, adjective

Definition for ruby (2 of 2)

Ruby
[ roo-bee ]
/ ˈru bi /

noun

a female given name.

Example sentences from the Web for ruby

British Dictionary definitions for ruby

ruby
/ (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
  1. the deep-red colour of a ruby
  2. (as adjective)ruby lips
  1. something resembling, made of, or containing a ruby
  2. (as modifier)ruby necklace
(modifier) denoting a fortieth anniversary our ruby wedding
(formerly) a size of printer's type approximately equal to 5 1/2 point

Derived forms of ruby

ruby-like, adjective

Word Origin for ruby

C14: from Old French rubi, from Latin rubeus reddish, from ruber red

Scientific definitions for ruby

ruby
[ rōōbē ]

A deep-red, translucent variety of the mineral corundum, containing small amounts of chromium and valued as a gem. Compare sapphire.