topaz

topaz
noun
  1. a precious stone, typically colourless, yellow, or pale blue, consisting of a fluorine-containing aluminium silicate
    黄晶,黄玉
    ■[mass noun]a dark yellow colour
    黄玉色
  2. a large tropical American hummingbird with a yellowish throat and a long tail
    南美蜂鸟
  3. Genus Topaza, family Trochilidae: two species
    叉尾蜂鸟属,蜂鸟科:2种
语源
  1. Middle English (denoting a yellow sapphire): from Old French topace, via Latin from Greek topazos
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