cd meaning and definition

CD noun

Definition of Cd (noun)

1. a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
   • synonyms: atomic number 48, cadmium
2. 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
   • synonyms: candela, candle, standard candle
3. a debt instrument issued by a bank; usually pays interest
   • synonyms: certificate of deposit
4. a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
   • synonyms: compact disc, compact disk

CD adjective

Definition of cd (adjective)

1. being one hundred more than three hundred
   • synonyms: 400, four hundred