redundancy

/rɪˈdʌndənsi/
noun
  1. The state of being no longer needed or useful, especially when a person loses their job because their employer no longer needs them.
    • The company announced 200 redundancies due to the merger.
    • He took voluntary redundancy and started his own business.
    • After ten years of service, she was shocked to receive a redundancy notice.
  2. The quality of having more parts or information than is necessary; unnecessary repetition.
    • In engineering, a bit of redundancy in the system can prevent total failure.
    • The editor cut the redundancy from the article to make it clearer.
    • The report was full of redundancy, repeating the same data in different sections.
  3. A part of a system that is not strictly necessary but provides a backup in case of failure.
    • The network uses redundancy so that if one server fails, another takes over.
    • Redundancy in the power grid ensures that a single outage doesn't cause a blackout.
    • The spacecraft has built-in redundancy for its navigation system.
What does "redundancy" mean? | whatsthatwordmean | whatsthatwordmean