cd Meaning, Definition & Usage

1. noun a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
   cadmium; atomic number 48.
   
2. noun 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
   candle; candela; standard candle.
   
3. noun a debt instrument issued by a bank; usually pays interest
   certificate of deposit.
   
4. noun a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
   compact disk; compact disc.
   
5. adjective satellite being one hundred more than three hundred
   four hundred; 400.
   

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