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