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

Soccer player Jesús de Miguel has died after an on-field collision during a Spanish second-division match on Monday, his club CD Tenerife has said. — Ben Church, CNN Money, 3 Nov. 2026

Heat forward Nikola Jovic was back in the mix after receiving his first DNP-CD (did not play, coach’s decision) of the season. — Anthony Chiang, Miami Herald, 29 Oct. 2026

The vast majority of the speakers were candidates on the Republican ticket, including Huffines, Mayes Middleton (attorney general), Craig Goldman (Congressional District 12) and Brandon Gill (CD 26). — Rachel Royster, Fort Worth Star-Telegram, 29 Oct. 2026

The album will be released on December 11 and released on a triple LP and double CD. — Jonathan Bernstein, Rolling Stone, 29 Oct. 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