CD-ROM

UK: ˌsiː diː ˈrɒm | US: ˌsiː diː ˈrɑːm

Definition
  1. n. A type of compact disc containing read-only memory, used for storing computer data or multimedia content.

Structure
CD <Compact Disc>ROM <Read-Only Memory>
Etymology

The term "CD-ROM" is an acronym formed by combining "CD" (Compact Disc, a digital optical disc format) and "ROM" (Read-Only Memory, a type of non-volatile storage). Introduced in the 1980s, it reflects the merging of audio CD technology with computer data storage. The "ROM" suffix indicates that the disc's content is fixed during manufacturing and cannot be modified, distinguishing it from writable formats like CD-R.

Examples
  1. The encyclopedia was distributed on a CD-ROM in the 1990s.

  2. Many early computer games were installed from CD-ROMs.

  3. The software update requires inserting the original CD-ROM.

  4. CD-ROM drives were once standard in personal computers.

  5. Libraries archived historical documents on CD-ROMs for preservation.