cd

1 of 5

abbreviation (1)

1
candela
2
candle
3
cord

Cd

2 of 5

symbol

cadmium

CD

4 of 5

noun (2)

: 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

CD

5 of 5

abbreviation (2)

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

Examples of cd in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
For those unaware, Lunar: The Silver Star, the first game in the series, debuted on the Sega CD peripheral for Sega Genesis back in 1992 (or 1993 in North America) featuring high-quality CD-ROM sound, full motion anime-style video cutscenes, and lots of voice acting. David Jagneaux, Forbes.com, 14 Apr. 2025 Typically held on a Saturday in April, the day features special vinyl and CD releases, promotional products, and in-store performances. Dominick Williams, Kansas City Star, 12 Apr. 2025 Continuous Integration And Continuous Delivery (CI/CD) Pipelines CI/CD in MLOps adapts DevOps principles to streamline machine learning workflows. Neel Sendas, Forbes.com, 4 Apr. 2025 The live concert is a release party for a CD on which those and many other bands play his songs. Christopher Arnott, Hartford Courant, 29 Mar. 2025 See All Example Sentences for cd

Word History

Etymology

Noun (2)

compact disc

First Known Use

Noun (1)

1866, in the meaning defined above

Noun (2)

1979, in the meaning defined above

Time Traveler
The first known use of cd was in 1866

Browse Nearby Words

Cite this Entry

“Cd.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cd. Accessed 22 Apr. 2025.

Kids Definition

CD

noun
ˌsē-dē
: a small plastic disk on which information (as music or computer data) is recorded digitally and read by using a laser

Medical Definition

cd

1 of 3 abbreviation
candela

Cd

2 of 3 symbol
cadmium

CD

3 of 3 abbreviation
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

CD

abbreviation
certificate of deposit

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