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

Cardi has taken advantage of the buzz and decided to use the memes as an alternative cover to the CD edition of her upcoming project, which is currently available on her website for $10. —Taylor Ardrey, USA Today, 3 Sep. 2025

The 2015 record earned 52,000 equivalent album units during the week, with 51,000 credited to album sales (the reissue featured a total of three vinyl variants, a CD and three deluxe box sets). —Thania Garcia, Variety, 2 Sep. 2025

Viewers were able to see a short clip of the bathroom, which was empty bar the CD player that had been drilled onto a wall. —Melissa Fleur Afshar, MSNBC Newsweek, 1 Sep. 2025

The gain was boosted by the film’s sing-along release in movie theaters and on Netflix and the set’s arrival on CD. —Keith Caulfield, Billboard, 31 Aug. 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