Invalidation

Pronunciation: /ˌɪnˌvæləˈdeɪʃən/

Invalidation (noun)

  1. The act of making a decision, result, or agreement no longer valid.
  2. The process of showing that an idea, claim, or evidence cannot be trusted.
  3. In computing, the act of marking data or a cache as not usable.

Examples

  • The committee announced the invalidation of the decision.
  • Her appeal led to invalidation of the ruling.