compact disc
Definition
- Noun:
- A digitally encoded recording on an optical disc: A "compact disc" is a flat, circular storage medium that uses optical technology to store digital data, such as audio, video, or computer files.
- A specific format for audio playback: Commonly, it refers to the standard format for storing and playing high-quality digital audio recordings, which is read by a laser beam in a CD player.
Examples of Usage
- Noun:
- I bought the new album on compact disc. (I purchased the new music album in the CD format.)
- The software was distributed on a compact disc. (The computer program was provided on a CD.)
- This compact disc contains the conference proceedings. (This CD holds the digital records from the conference.)
Advanced Usage
- "CD" as an abbreviation: "Compact disc" is almost universally abbreviated to "CD" in everyday language.
- Do you have a CD player in your car? (Is there a device for playing compact discs in your vehicle?)
- In technical contexts: Refers to the physical standards (e.g., CD-DA for audio, CD-ROM for computer data) and the technology of optical storage.
- The data was burned onto a write-once compact disc. (The information was recorded onto a CD that cannot be erased.)
Variants and Related Words
- CD (n): The standard abbreviation for "compact disc."
- CD-ROM (n): "Compact Disc Read-Only Memory"; a type of compact disc used for storing computer data.
- CD-R (n): "Compact Disc-Recordable"; a blank compact disc that can be written to once.
- CD-RW (n): "Compact Disc-ReWritable"; a compact disc that can be written, erased, and rewritten multiple times.
- Disc (n): A general term for a flat, thin, round object; the preferred spelling in "compact disc" and related terms.
Synonyms
- Optical disc: A broader category of storage media that includes CDs, DVDs, and Blu-ray discs.
- Digital audio disc: A term specifying its use for sound recordings.
Related Phrases
- To burn a CD: To write data onto a recordable compact disc.
- I need to burn a CD of these music files for my friend.
- CD drive: The hardware component in a computer that reads compact discs.
- My laptop no longer has a built-in CD drive.
Related Idioms
- The encyclopedia is available on disc. (The encyclopedia can be purchased in a CD-ROM format.)
Noun
-
a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
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