invalidate

美 [ɪnˈvælɪˌdeɪt]
英 [ɪnˈvælɪdeɪt]
  • v.证明…错误;使站不住脚;使无效;使作废
  • 网络证明无效;使失效;使无效力
第三人称单数:invalidates  现在分词:invalidating  过去式:invalidated  
invalidate
v.
1.
~ sth
证明…错误;使站不住脚to prove that an idea, a story, an argument, etc. is wrong
This new piece of evidence invalidates his version of events.
这条新证据推翻了他对事件经过的说法。
2.
~ sth
使无效;使作废if youinvalidate a document, contract, election, etc., you make it no longer legally or officially valid or acceptable

例句

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