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English definition of “invalidate”

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invalidate

verb [T] uk   /ɪnˈvæl.ɪ.deɪt/ us  
to officially stop a document, ticket, law, etc. being legally or officially acceptable to prove that an opinion, argument, etc. is wrong
invalidation
noun [U] uk   /ɪnˌvæl.ɪˈdeɪ.ʃən/ us  
Premature disclosure of the test sites might lead to invalidation of the experiment.
Translations of “invalidate”
in Chinese (Traditional) 使無效, 使作廢, 證明(觀點、論點等)錯誤…
in Chinese (Simplified) 使无效, 使作废, 证明(观点、论点等)错误…
(Definition of invalidate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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