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

Remastering started in the Nineties, when record labels attempted to improve the sound of older albums on CD. —Andy Greene, Rolling Stone, 28 Oct. 2025

Athletic wing Minott, for example, was a DNP-CD at Madison Square Garden, then made his first career start two games later (and was an eye-popping plus-42 in his 28 minutes against New Orleans). —Zack Cox, Boston Herald, 28 Oct. 2025

Second-year guard/forward Dalton Knecht was also in the first-half rotation after being a DNP-CD (Did Not Play – Coach’s Decision) on Tuesday. —Khobi Price, Oc Register, 25 Oct. 2025

Make your savings work harder Open a high-yield savings account or CD. —David McMillin, CNBC, 24 Oct. 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