WordNet sense 1 (a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores):

cadmium

WordNet sense 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):

candle, candela, standard candle

WordNet sense 3 (a debt instrument issued by a bank; usually pays interest):

certificate of deposit

WordNet sense 4 (a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser):

compact disk, compact disc

WordNet sense 5 (being one hundred more than three hundred):

four hundred

WordNet sense 6 (being or denoting a numerical quantity but not order):

cardinal