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Noun cd has 4 senses
- cadmium, Cd, atomic number 48 - a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
--1 is a kind of metallic element, metal
--1 is a substance of hemimorphite, calamine
- candle, candela, cd, standard candle - 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
--2 is a kind of luminous intensity unit, candlepower unit
- certificate of deposit, CD - a debt instrument issued by a bank; usually pays interest
--3 is a kind of debt instrument, certificate of indebtedness
--3 has particulars: time deposit
- compact disk, compact disc, CD - a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
--4 is a kind of optical disk, optical disc; recording
--4 has particulars:
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