cd

• n.
  • a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores

    同义词： cadmium atomic number 48

  • the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin

    同义词： candle candela standard candle

  • a debt instrument issued by a bank; usually pays interest

    同义词： certificate of deposit

  • a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser

    同义词： compact disk compact disc

• adj. being one hundred more than three hundred

  同义词： four hundred 400

以上来源于: WordNet