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ruby
nounmasculinegeneral usecommon/ʁuˈβi/ru·bi
Definition
1A precious red stone, a variety of the mineral corundum (aluminum oxide), whose color is due to the presence of chromium.
Usage examples
“He gave her a necklace with an embedded ruby, her birthstone.”
“High-quality rubies can be worth more than diamonds of the same size.”
Synonyms
Common combinations
ruby ringsynthetic rubyruby colorruby mine