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definitions
  • synonyms

cd

  1. candela; candelas.
  2. Also cd. cord; cords.
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Cd

Symbol, Chemistry.
  1. cadmium.
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CD

  1. certificate of deposit.
  2. Civil Defense.
  3. Community Development.
  4. compact disk.
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C/D

or c/d

c.d.

  1. cash discount.
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C.D.

  1. certificate of deposit.
  2. Civil Defense.
  3. civil disobedience.
  4. Congressional District.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

moneyfinancinginvestmentbusinesscashalbumdiskcassettetapeCDLPwherewithalsubstancefortunewealthgoldmeansfundsstakekitty

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British Dictionary definitions for cd

cd1

abbreviation for
  1. cash discount
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symbol for
  1. candela
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cd2

the internet domain name for
  1. Democratic Republic of Congo
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Cd

abbreviation for
  1. (in Britain) command (paper)
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the chemical symbol for
  1. cadmium
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CD

abbreviation for
  1. compact disc
  2. Civil Defence (Corps)
  3. Corps Diplomatique (Diplomatic Corps)
  4. Conference on Disarmament: a United Nations standing conference, held in Geneva, to negotiate a global ban on chemical weapons
  5. (in the US and Canada) certificate of depositAlso: C.D.
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c/d

abbreviation for
  1. carried down
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cd

CD

1979 as an abbreviation of compact disc as a system of information storage.

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Online Etymology Dictionary, © 2010 Douglas Harper

cd in Medicine

cd

abbr.
  1. candela
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Cd

  1. The symbol for the elementcadmium
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cd in Science

Cd

  1. The symbol for cadmium.
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cadmium

[kădmē-əm]
Cd
  1. A rare, soft, bluish-white metallic element that occurs mainly in zinc, copper, and lead ores. Cadmium is plated onto other metals and alloys to prevent corrosion, and it is used in rechargeable batteries and in nuclear control rods as a neutron absorber. Atomic number 48; atomic weight 112.41; melting point 320.9°C; boiling point 765°C; specific gravity 8.65; valence 2. See Periodic Table.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.