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1. Oxford American Dictionary

   topaz

   • IPA[ˈtōˌpaz]

   美式

   • n.
     a precious stone, typically colorless, yellow, or pale blue, consisting of a fluorine-containing aluminum silicate.；a dark yellow color

   • noun: topaz, plural noun: topazes

2. • 釋義

   n.

   名詞

   • 1. a precious stone, typically colorless, yellow, or pale blue, consisting of a fluorine-containing aluminum silicate.
   • ▪ a dark yellow color bright topaz eyes
   • 2. a large tropical American hummingbird with a yellowish throat and a long tail.