ENGLISH
REFERENCE

CD

n.
A2 Elementary US //ˌsiˈdi// Archaic Astronomy Business Finance Hardware Law Medicine Nautical
Definition

n. Stands for Compact Disc. A small, shiny plastic circle used to store and play music or computer data.

n. Abbreviation for Compact Disc. A digital optical disc data storage format used for storing and playing audio recordings or computer software.


SIMPLE

I still have a large collection of music CDs in my car.

CONTEXTUAL

Before the rise of digital streaming, most people bought their favorite albums on CD at a local music store.

COMPLEX

The introduction of the CD in the early 1980s revolutionized the music industry by providing a durable, high-fidelity alternative to analog vinyl records and cassette tapes.

Usage

The plural form is typically written as 'CDs' without an apostrophe.

Pitfall

I listened to a CD'sI listened to a CD / I listened to CDsLearners often incorrectly use an apostrophe to form the plural of an acronym.

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