Pronunciation: /bɜrθstoʊn/
noun a precious or semi-precious stone traditionally associated with a person's birth month
A1 My birthstone is a ruby.
A2 She wears a necklace with her birthstone, which is an amethyst.
B1 I learned that my birthstone is a sapphire, which is my favorite color.
B2 Her birthstone is an emerald, and she believes it brings her good luck.
C1 He received a custom-made ring with his birthstone, a diamond, as a graduation gift.
C2 The rarest birthstone is a red diamond, and only a few people in the world own one.
formal The birthstone for the month of August is peridot.
informal I love wearing my birthstone, which is a sapphire.
slang Check out my new bling - it's my birthstone, yo!
figurative Her eyes sparkled like diamonds, her birthstone.
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