cd-rom
nounUK /ˌsiː diː ˈrɒm/
US /ˌsiː diː ˈrɑːm/
A CD-ROM is a round disc that holds computer information you can read but not change.
The old computer game came on a CD-ROM.
SYNONYMS
OTHER MEANINGS
2. A type of read-only storage medium used for distributing software and data.
The encyclopedia was sold on a single CD-ROM.
3. A disc that a computer can read but cannot write to or erase.
You can't save your homework on a CD-ROM because it's read-only.
4. An early format for multimedia content such as music, videos, and games.
In the 1990s, many families bought CD-ROMs to play learning games.