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 Metropolitan Opera, which also mounted McDermott’s production, released it on CD and DVD, winning a Grammy for best opera recording. —Classical Music Critic, Los Angeles Times, 6 Mar. 2026

Super fans into physical media probably ordered one or more of the seven vinyl variants or the CD. —Howard Cohen, Miami Herald, 5 Mar. 2026

Fortunately, a certificate of deposit (CD) account helps meet many of these requirements, particularly if savers open a 6-month version. —Matt Richardson, CBS News, 5 Mar. 2026

The last stop, is, of course, the gift shop, where in addition to vinyl and CD copies of almost everything Gorillaz has recorded, T-shirts and hoodies with images of the band together and as individuals, and other Gorillaz merch, including coffee cups, stickers, and pencils, are available. —Peter Larsen, Daily News, 3 Mar. 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