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 label has since become a distributor itself, as its subsidiary Virgin Music Group closed a $775-million deal in February for Downtown Music Holdings, owner of CD Baby and FUGA, a digital music distributor. — Cerys Davies, Los Angeles Times, 15 Sep. 2026

So, how much interest will a $25,000 6-month CD actually earn at today's rates? — Matt Richardson, CBS News, 9 Sep. 2026

One key reason for the CD surge is Korean pop, which accounts for a substantial share of the boom. — Rob Sheffield, Rolling Stone, 5 Sep. 2026

Savers should also be aware of when their CD is about to expire, as their banks may automatically put them into a renewal CD at a lower rate. — Darla Mercado, Cfp®, CNBC, 31 Aug. 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