1
cd (n.)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;
cd (n.)a debt instrument issued by a bank; usually pays interest;
Synonyms: certificate of deposit
cd (n.)a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser;
Synonyms: compact disk / compact disc
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