noun, plural rubies.
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.
British Printing. a 5½-point type, nearly corresponding in size to American agate.
containing or set or adorned with a ruby or rubies:
a ruby necklace.
noun (pl) -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: Al2O3
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 anniversary: our ruby wedding
(formerly) a size of printer’s type approximately equal to 51/2 point
A deep-red, translucent variety of the mineral corundum, containing small amounts of chromium and valued as a gem. Compare sapphire.
(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.”
adjective 1. having a color like that of a ruby; deep red.
- Rubidium-strontium dating
[roo-bid-ee-uh m-stron-shee-uh m, -shuh m, -tee-uh m] /ruˈbɪd i əmˈstrɒn ʃi əm, -ʃəm, -ti əm/ noun, Geology. 1. a radiometric dating method whereby the ratio of rubidium isotope to strontium in a mineral is used to calculate the age of the mineral, based on the rate of radioactive decay of rubidium to strontium. rubidium-strontium dating […]
verb (used with object), rued, ruing. 1. to feel sorrow over; repent of; regret bitterly: to rue the loss of opportunities. 2. to wish that (something) had never been done, taken place, etc.: I rue the day he was born. verb (used without object), rued, ruing. 3. to feel sorrow, repentance, or regret. noun 4. […]
Pharmacology, Trademark. 1. a brand of ibuprofen.