invalidation
noun /ɪnˌvælɪˈdeɪʃn/
/ɪnˌvælɪˈdeɪʃn/
[uncountable]- invalidation (of something) the act of saying that a document, contract, election, etc. is no longer legally or officially acceptable
- the invalidation of the regulation by the High Court
- invalidation (of something) the act of proving that an idea, a story, an argument, etc. is wrong
- the invalidation of the theory