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

Read more: Prevention & Treatment Diet and Nutrition 15 Sources By Brittany Poulson, MDA, RDN, CD, CDCES Poulson is a registered dietician and certified diabetes care and education specialist. —Sohaib Imtiaz, Verywell Health, 9 May 2025

As an aside, check out a strategy to get a 10% Yield To Beat Any CD Or Savings Account? —Trefis Team, Forbes.com, 8 May 2025

The game has since been re-released on a number of different systems, including the Sega CD, the Game Gear, the Master System, PC, iOS, Xbox, the Nintendo 3DS, and the Nintendo Switch via the Nintendo Switch Online service. —Oliver Brandt, MSNBC Newsweek, 7 May 2025

If your mom doesn’t need all that, Victrola also makes record player-Bluetooth speaker combos that skip CD, cassette, and radio functionality for less money. —Ars Staff, ArsTechnica, 7 May 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