English noun: Cd |
1. | Cd (substance) a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores |
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| Synonyms | atomic number 48, cadmium |
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| Broader (hypernym) | metal, metallic element |
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| Substance meronym | calamine, hemimorphite |
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2. | cd (quantity) 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 |
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| Synonyms | candela, candle, standard candle |
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| Broader (hypernym) | candlepower unit, luminous intensity unit |
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3. | CD (possession) a debt instrument issued by a bank; usually pays interest |
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| Synonyms | certificate of deposit |
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| Broader (hypernym) | certificate of indebtedness, debt instrument, obligation |
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| Narrower (hyponym) | time deposit |
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4. | CD (artifact) a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser |
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| Synonyms | compact disc, compact disk |
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| Broader (hypernym) | optical disc, optical disk, recording |
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| Narrower (hyponym) | audio CD, audio compact disc, CD-R, CD-ROM, CD-WO, compact disc read-only memory, compact disc recordable, compact disc write-once |
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