# CD

> English word · Noun · IPA /ˌsiːˈdiː/ · frequency rank #3,865

## Definitions
1. Initialism of compact disc.
2. Initialism of compact disc.
3. Initialism of corps diplomatique, the diplomatic corps of a particular country.
4. Abbreviation of certificate of deposit.
5. Initialism of creative director, head of the creative department (for example of an advertising agency).
6. Initialism of corporate design, specific design features of a company, corporate identity CI.
7. Initialism of collision detection.
8. Initialism of chart datum.
9. Initialism of cross-dresser.
10. Initialism of cross-dressing.
11. Initialism of circular dichroism.
12. Initialism of cluster of differentiation.
13. Abbreviation of cooldown.
14. Initialism of controlled drug.
15. Abbreviation of Crohn's disease.
16. Initialism of continuous delivery/deployment.

## Etymology
Abbreviation of various terms and phrases.

## Easily confused with
- **co** (https://plainspell.com/en/vs/cd-vs-co)
- **CM** (https://plainspell.com/en/vs/cd-vs-cm)
- **CT** (https://plainspell.com/en/vs/cd-vs-ct)
- **CR** (https://plainspell.com/en/vs/cd-vs-cr)
- **ch** (https://plainspell.com/en/vs/cd-vs-ch)
- **cs** (https://plainspell.com/en/vs/cd-vs-cs)
- **Cl** (https://plainspell.com/en/vs/cd-vs-cl)
- **CE** (https://plainspell.com/en/vs/cd-vs-ce)
- **cp** (https://plainspell.com/en/vs/cd-vs-cp)
- **CV** (https://plainspell.com/en/vs/cd-vs-cv)
- **CU** (https://plainspell.com/en/vs/cd-vs-cu)
- **CW** (https://plainspell.com/en/vs/cd-vs-cw)
- **ci** (https://plainspell.com/en/vs/cd-vs-ci)
- **CJ** (https://plainspell.com/en/vs/cd-vs-cj)
- **CG** (https://plainspell.com/en/vs/cd-vs-cg)
- **CX** (https://plainspell.com/en/vs/cd-vs-cx)
- **cz** (https://plainspell.com/en/vs/cd-vs-cz)
- **CQ** (https://plainspell.com/en/vs/cd-vs-cq)
- **cut** (https://plainspell.com/en/vs/cd-vs-cut)
- **cup** (https://plainspell.com/en/vs/cd-vs-cup)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cd