Definition of write-once in English:

write-once

Syllabification: write-once

adjective

Computing
  • Denoting a memory or storage device, typically an optical one, on which data, once written, cannot be modified.
    More example sentences
    • Over 20 billion optical discs - including ROM, write-once and rewritable CD and DVD discs - are produced each year, according to the two firms.
    • By using removable write-once media, the data protection takes place at the recording structure of the media or in the drive firmware.
    • A different, write-once storage location for the database greatly would improve the security of the system as well.

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