cd

1 of 5

abbreviation (1)

1

candela

2

candle

3

cord

Cd

2 of 5

symbol

cadmium

CD

3 of 5

noun (1)

ˌsē-ˈdē 

: certificate of deposit

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

Noun

The only tally where the CD has yet to make it to a full year is the Top Rock & Alternative Albums ranking. — Hugh McIntyre, Forbes.com, 30 Aug. 2026

Back in 2015, Parton and her team buried a chestnut box filled with physical copies of a brand new song in two formats, cassette and CD, along with their corresponding players, under her Dollywood DreamMore Resort and Spa. — Isabelle Farina, Variety, 27 Aug. 2026

Get started with a high-rate CD account online now and start earning more interest. — Matt Richardson, CBS News, 27 Aug. 2026

Francis Hodgson Burnett’s The Secret Garden was made into a movie twice (1987, 1993) and also a Broadway musical (1991; my Grammy bought me the CD). — Literary Hub, 26 Aug. 2026

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

Phrases Containing cd

• CD-ROM

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