follow Dictionary.com

Stories We Like: A Guide to the Comma

CD

2.
Civil Defense.
3.
Community Development.

Cd

Symbol, Chemistry
1.

cd

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

C/D

Also, c/d.

C.D.

2.
Civil Defense.
3.
civil disobedience.
4.
Congressional District.

c.d.

1.
cash discount.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for CD
  • The original cast recording was released originally by rca records and later on CD.
  • Another popular savings method that ing direct offers is a certificate of deposit, or CD.
  • Software to view and perform simple edits to images is included on the CD.
British Dictionary definitions for CD

cd1

abbreviation
1.
cash discount
symbol
2.
candela

cd2

abbreviation
1.
Democratic Republic of Congo

Cd

abbreviation
1.
(in Britain) command (paper)
Chemical symbol
2.
cadmium

CD

abbreviation
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 deposit Also C.D.

c/d

abbreviation
1.
carried down
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
Cite This Source
Word Origin and History for CD
CD
As an abbreviation of compact disc as a system of information storage, attested from 1979.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
CD in Medicine

cd abbr.
candela

Cd
The symbol for the element cadmium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
CD in Science
Cd  
The symbol for cadmium.
cadmium
  (kād'mē-əm)   
Symbol Cd
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
CD in Technology

1. change directory.
2. The country code for the Democratic Republic of the Congo (formerly Zaire, zr).
(1999-01-27)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
Cite This Source
Related Abbreviations for CD

cd

candela

Cd

cadmium

CD

  1. certificate of deposit
  2. cesarean delivery
  3. civil defense
  4. cluster of differentiation
  5. collision detection
  6. compact disc
  7. cycle day

c.d.

cash discount

C/D

  1. carried down
  2. certificate of deposit
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Encyclopedia Article for CD

candela

unit of luminous intensity in the International System of Units (SI), defined as the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 1012 hertz and has a radiant intensity in that same direction of 1683 watt per steradian (unit solid angle). The candela has replaced the standard candle or lamp as a unit of luminous intensity in calculations involving artificial lighting and is sometimes called the "new candle."

Learn more about candela with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of The Day

Difficulty index for CD

Most English speakers likely know this word

Word Value for CD

0
0
Scrabble Words With Friends

Quotes with CD