Definition of cd

 (Entry 1 of 5)

1 candela
2 candle
3 cord

Definition of Cd (Entry 2 of 5)

cadmium
\ ˌsē-ˈdē How to pronounce CD (audio) \

Definition of CD (Entry 3 of 5)

Definition of CD (Entry 4 of 5)

: a small optical disk usually containing recorded music or computer data also : the content (such as music or a computer program) of a CD released as a unit promoting her latest CD

Definition of CD (Entry 5 of 5)

1 carried down
2 civil defense
3 [French corps diplomatique] diplomatic corps

First Known Use of cd

Noun (1)

1866, in the meaning defined above

Noun (2)

1979, in the meaning defined above

History and Etymology for cd

Noun (2)

compact disc

Keep scrolling for more

Learn More about cd

Dictionary Entries near cd

CCTV

CCU

ccw

cd

Cd

CD

CD4

See More Nearby Entries 

Statistics for cd

Cite this Entry

“Cd.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cd. Accessed 15 Jan. 2021.

Keep scrolling for more

More Definitions for cd

CD

noun
\ ˌsē-ˈdē How to pronounce CD (audio) \

Kids Definition of CD

: a small plastic disk on which information (as music or computer data) is recorded

Medical Definition of cd

 (Entry 1 of 3)

candela

Medical Definition of Cd (Entry 2 of 3)

cadmium

Medical Definition of CD (Entry 3 of 3)

1 cluster of differentiation used with a number to denote any of numerous antigenic proteins found chiefly on the surface of white blood cells (such as T cells or B cells) — see cd4, cd8
2 communicable disease
3 constant drainage
4 contagious disease
5 convulsive disorder
6 curative dose

Legal Definition of CD

certificate of deposit

More from Merriam-Webster on cd

Nglish: Translation of cd for Spanish Speakers

Britannica English: Translation of cd for Arabic Speakers

Comments on cd

What made you want to look up cd? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!