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Synonyms

cd

1 American  
  1. candela; candelas.

  2. Also cd. cord; cords.


Cd 2 American  
Symbol, Chemistry.
  1. cadmium.


CD 3 American  

abbreviation

  1. certificate of deposit.

  2. Civil Defense.

  3. Community Development.

  4. compact disk.

  5. Biology, Ecology. conservation dependent.


C/D 4 American  
Or c/d

abbreviation

  1. certificate of deposit.


c.d. 5 American  

abbreviation

  1. cash discount.


C.D. 6 American  

abbreviation

  1. certificate of deposit.

  2. Civil Defense.

  3. civil disobedience.

  4. Congressional District.


CD 1 British  

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. Also: C.D..  (in the US and Canada) certificate of deposit

"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

Cd 2 British  

abbreviation

  1. (in Britain) command (paper)

"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

symbol

  1. cadmium

"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
cd 3 British  

abbreviation

  1. cash discount

"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

symbol

  1. candela

"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
cd 4 British  

abbreviation

  1. Democratic Republic of Congo

"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

c/d 5 British  

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“Instead he was released 6 yrs later without Parole Board assessment. How cd this be allowed to happen?” asked Cooper.

From The Guardian Nov. 30, 2019

If someone gave me a country music cd, I would be right to give it to one of my country music loving friends.

From New York Times Dec. 15, 2017

“After receiving complaints about some language in The Narrative cd, LifeWay decided to no longer carry it.”

From Washington Post Feb. 8, 2017

Algeria Attack Poses a Dilemma for Western Oil Companies Israel election suspense centers on Likud's coalition partners - http://t.co/ZRZgCfBN via http://t.co/f4EKNWCI @JakartaJason Baru beli cd baru dari Auman di @aparatmati Lawless.

From Time Jan. 21, 2013

Put 4 over cd, under efg, over h, under ijk and over lm.

From Philippine Mats Philippine Craftsman Reprint Series No. 1 by Miller, Hugo H.

As much as I honor the Sportback’s super-clean aero efficiency of 0.24 Cd, this presentation comes dangerously close to chintzy.

From The Wall Street Journal Nov. 24, 2025

A bird flies in front of the Cd Projekt logo at its headquarters in Warsaw, Poland January 21, 2020.

From Reuters Jul. 21, 2021

Which of the following atoms would be expected to form negative ions in binary ionic compounds and which would be expected to form positive ions: Br, Ca, Na, N, F, Al, Sn, S, Cd?

From Textbooks Feb. 14, 2019

Metals that crystallize in an HCP structure include Cd, Co, Li, Mg, Na, and Zn, and metals that crystallize in a CCP structure include Ag, Al, Ca, Cu, Ni, Pb, and Pt.

From Textbooks Feb. 14, 2019

Half a dozen invectives against tyranny confiscate Cd.

From The Works of Lord Byron. Vol. 4 by Coleridge, Ernest Hartley

John Blizzard is usually pretty opinionated about whether CD rates will move up or down at any given point in time.

From MarketWatch Jul. 10, 2026

“She had a CD of western swing from the ’50s and ’40s that she was listening to again and again.

From Los Angeles Times Jul. 8, 2026

You want to network and, if you are lucky, you might even find that the person holding the seminar has a great rate on a CD.

From MarketWatch Jul. 6, 2026

In Episode 5, “Trust Me, I Can Handle Anything,” Elle’s best friend Madison visits Seattle and presses play on the CD player in Elle’s bedroom.

From Los Angeles Times Jul. 3, 2026

Her mind was a tornado of thoughts and questions and anxiety while she recorded herself playing the violin section of Paganini’s “Cantabile for Violin and Guitar” for the CD she was making for the Beiderman.

From "The Vanderbeekers of 141st Street" by Karina Yan Glaser

If you think of it today, it would be one large concourse, parallel to the C/D concourse we have today.

From Washington Post Aug. 27, 2022

Washington State’s varsity four won its repechage heat to move on to the A/B semifinals, while the varsity eight and second varsity eight moved on to their respective C/D semifinals.

From Seattle Times May 25, 2018

As a result, I went from a C/D student to a straight A student.

From Scientific American Sep. 9, 2013

Their chart currently ranges from busts 32 inches to 40 inches, cups in A/B or C/D, and lengths in petite, regular and tall.

From BusinessWeek May 1, 2012

Senator John Cornyn has proposed mandating the sale of at least 66 new F-16 C/D fighters to Taiwan as an amendment to legislation now being considered on the Senate floor.

From Reuters Sep. 21, 2011

All these things add to the general interest, and to acquire interest in one way or another is the mission of the c.d.

From Remarks by Nye, Bill

He’s now a senior fellow at one of Canada’s leading policy think tanks, the C.D.

From MarketWatch Jan. 7, 2026

The last major project developed by lumberman and real estate entrepreneur C.D.

From Seattle Times Sep. 8, 2023

Ken Tumin, founder of DepositAccounts.com, part of LendingTree, cited as one example Hyperion Bank in Philadelphia, which recently ended a promotional offer of 5.5 percent on a 19-month C.D.

From New York Times Apr. 21, 2023

But you should also check the fine print before you open the C.D.,

From New York Times Apr. 21, 2023

A venerable and distinguished teacher and composer is James C.D.

From Contemporary American Composers Being a Study of the Music of This Country, Its Present Conditions and Its Future, with Critical Estimates and Biographies of the Principal Living Composers; and an Abundance of Portraits, Fac-simile Musical Autographs, and Compositions by Hughes, Rupert

It easily follows that the continued fraction is incommensurable if a/b, c/d, etc., being at first greater than unity, become and continue less than unity after some one point.

From A Budget of Paradoxes, Volume II by Smith, David Eugene

We say that we may substitute for the older form of proportion, namely, a : b = c : d, the fractional form a/b = c/d.

From The Teaching of Geometry by Smith, David Eugene

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