Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cd

4 senses of cd

Sense 1
cadmium, Cd, atomic number 48 -- (a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Sense 2
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)
       => luminous intensity unit, candlepower unit -- (a measure of luminous intensity)

Sense 3
certificate of deposit, CD -- (a debt instrument issued by a bank; usually pays interest)
       => debt instrument, obligation, certificate of indebtedness -- (a written promise to repay a debt)

Sense 4
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)
       => optical disk, optical disc -- (a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface)
       => recording -- (a storage device on which information (sounds or images) have been recorded)

Antonyms of adj cd

1 sense of cd

Sense 1
four hundred, 400, cd -- (being one hundred more than three hundred)

INDIRECT (VIA cardinal) -> ordinal -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")

Similarity of adj cd

1 sense of cd

Sense 1
four hundred, 400, cd -- (being one hundred more than three hundred)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")