Ru·by n.; pl. Rubies
1. Min. A precious stone of a carmine red color, sometimes verging to violet, or intermediate between carmine and hyacinth red. It is a red crystallized variety of corundum.
Note: ☞ Besides the true or Oriental ruby above defined, there are the balas ruby, or ruby spinel, a red variety of spinel, and the rock ruby, a red variety of garnet.
Of rubies, sapphires, and pearles white. --Chaucer.
2. The color of a ruby; carmine red; a red tint.
The natural ruby of your cheeks. --Shak.
3. That which has the color of the ruby, as red wine. Hence, a red blain or carbuncle.
4. Print. See Agate, n., 2. [Eng.]
5. Zool. Any species of South American humming birds of the genus Clytolaema. The males have a ruby-colored throat or breast.
Ruby of arsenic, Ruby of sulphur Chem., a glassy substance of a red color and a variable composition, but always consisting chiefly of the disulphide of arsenic; -- called also ruby sulphur.
Ruby of zinc Min., zinc sulphide; the mineral zinc blende or sphalerite.
Ruby silver Min., red silver. See under Red.
Ru·by, v. t. [imp. & p. p. Rubied p. pr. & vb. n. Rubying.] To make red; to redden. [R.]
Ru·by, a. Ruby-colored; red; as, ruby lips.
adj : having any of numerous bright or strong colors reminiscent
of the color of blood or cherries or tomatoes or rubies
[syn: red, reddish, ruddy, blood-red, carmine,
cerise, cherry, cherry-red, crimson, ruby-red,
n 1: a transparent piece of ruby that has been cut and polished
and is valued as a precious gem
2: a transparent deep red variety of corundum; used as a
gemstone and in lasers
3: a deep and vivid red [syn: crimson, deep red]
(Heb. peninim), only in plural (Lam. 4:7). The ruby was one of
the stones in the high priest's breastplate (Ex. 28:17). A
comparison is made between the value of wisdom and rubies (Job
28:18; Prov. 3:15; 8:11). The price of a virtuous woman is said
to be "far above rubies" (Prov. 31:10). The exact meaning of the
Hebrew word is uncertain. Some render it "red coral;" others,
"pearl" or "mother-of-pearl."