invalidate /ɪnˈvæləˌdeɪt/ verb invalidates; invalidated; invalidating
invalidates; invalidated; invalidating
Learner's definition of INVALIDATE
[+ object]
: to make (something) invalid使无效: such as
a : to weaken or destroy the effect of (something)削弱效果；使无效 -
actions that will invalidate the contract可使此合同无效的行为
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invalidate a marriage废止婚姻
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invalidate an election否定选举的结果
b : to show or prove (something) to be false or incorrect证明…错误