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 company’s portfolio of businesses includes FUGA, Downtown Artist & Label Services, CD Baby, Downtown Music Publishing and Songtrust. —Jem Aswad, Variety, 20 Feb. 2026

But this can be good news for savers, particularly those considering their certificate of deposit (CD) account options. —Matt Richardson, CBS News, 19 Feb. 2026

Mutiny After Midnight will be released via Atlantic Outpost on vinyl, cassette, and CD only. —Angie Martoccio, Rolling Stone, 13 Feb. 2026

For the No-Penalty CD, early withdrawals are not permitted within the first 6 days after account funding. —Jasmin Suknanan, CNBC, 10 Feb. 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