Definition of ruby in English:

ruby

Syllabification: ru·by
Pronunciation: /ˈro͞obē
 
/

noun (plural rubies)

1A precious stone consisting of corundum in color varieties varying from deep crimson or purple to pale rose.
More example sentences
  • Her collection is not much but it includes mica, aquamarine, tourmaline, rubies and rose quartz.
  • And don't miss Ratnapura, where you can not only buy sapphires, rubies, moonstones, aquamarines and the rest, but you can also see where they are mined.
  • Gemstones such as diamonds, emeralds, rubies and sapphires are rarely drilled to make beads as this detracts from their worth.
1.1An intense purplish-red color.
More example sentences
  • Susan likes to cook, so the kitchen is a focal point in the house, with a warm colour scheme of Burmese ruby combined with honey cream to offset the minimalism.
  • After tasting their wine, a smooth, dark ruby Bordeaux blend with a rich berry flavor, I'm convinced they're well on their way.
  • My mum bought me my very own pair of ruby slippers when I was 12 and she used to plait my hair just like Dorothy!
1.2 Printing An old type size equal to 5 1/2 points (smaller than nonpareil and larger than pearl).

Origin

Middle English: from Old French rubi, from medieval Latin rubinus, from the base of Latin rubeus 'red'.

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Pronunciation: ˌɪntəˈniːsʌɪn
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destructive to both sides in a conflict