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

That list looks only at full-lengths and EPs available on CD, vinyl, or cassette. —Hugh McIntyre, Forbes.com, 14 Aug. 2025

When the time reached, the site temporarily crashed before unveiling an orange glitter vinyl variant of the record, a cassette, and a CD version of the LP. —Tomás Mier, Rolling Stone, 13 Aug. 2025

Released in June on both CD and vinyl, accompanied by a wave of merch, anniversary campaigns and digital content, the project marks a milestone not just for Sony’s roster, but for the generation that grew up on it. —Mike Wass, Variety, 13 Aug. 2025

The deal, which would give UMG ownership of music distributors like CD Baby and Fuga, has faced criticism from the indie music industry, who argue the acquisition would be anti-competitive. —Ethan Millman, HollywoodReporter, 31 July 2025

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