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

And that may mean the use of a certificate of deposit (CD), high-yield savings or money market account – or perhaps even all three. —Matt Richardson, CBS News, 23 Apr. 2026

Djabi, who is from Guinea-Bissau, also made seven appearances on loan with the Portuguese team CD Mafra last season, reports the BBC. —Charna Flam, PEOPLE, 22 Apr. 2026

Born to Die is up to 360 turns on the Official Physical Albums ranking, which focuses entirely on the sets that sell the most copies each frame on CD, cassette, or vinyl throughout the U.K. —Hugh McIntyre, Forbes.com, 22 Apr. 2026

Life for Rent ended up selling more than 10 million copies globally—an astronomical figure for anyone in the CD era except Dido herself: No Angel has sold more than 15 million. —Shaad D’souza, Pitchfork, 19 Apr. 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