rubynoun
uk/ˈruː.bi/us/ˈruː.bi/[ C or U ] a transparent, dark red precious stone, often used in jewellery:
a ring with a large ruby
a ruby necklace/ring
[ U ] also ruby red a dark red colour
Thesaurus: synonyms and related words
Geology: precious & semi-precious stones
- amethyst
- carbuncle
- crystal
- cultured pearl
- diamond
- emerald
- garnet
- gem
- jade
- jet
- jewel
- malachite
- marcasite
- onyx
- opal
- rock
- sapphire
- semiprecious
- stone
- topaz
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ruby
adjective uk/ˈruː.bi/us/ˈruː.bi/also ruby red
ruby lips