nullify

英 [ˈnʌlɪfaɪ]

美 [ˈnʌlɪfaɪ]

v.  使失去法律效力; 废止; 使无效; 抵消

过去分词：nullified　现在分词：nullifying　过去式：nullified　第三人称单数：nullifies　

IELTSGRE化学

BNC.18560 / COCA.17035

牛津词典

verb

• 使失去法律效力；废止
  to make sth such as an agreement or order lose its legal force
  1. Judges were unwilling to nullify government decisions.
     法官们不愿废止政府决定。
• 使无效；抵消
  to make sth lose its effect or power
  1. An unhealthy diet will nullify the effects of training.
     不健康的饮食会抵消锻炼的效果。

柯林斯词典

• VERB 使失去法律效力;废除;取消
  Tonullifya legal decision or procedure means to declare that it is not legally valid.
  1. He used his broad executive powers to nullify decisions by local governments...
     他利用自己适用范围广泛的行政权力废止当地政府所作的决定。
  2. It is worth remembering that previous wills are nullified automatically upon marriage.
     要记住的是，一旦结婚，原遗嘱自动失效。
• VERB 使无效;使无用;抵消
  Tonullifysomething means to make it have no effect.
  1. He may be able to nullify that disadvantage by offering a wider variety of produce...
     他也许能通过供应更为多样化的农产品来抵消那一劣势。
  2. This, of course, would nullify the effect of the move and merely accelerate inflation.
     这毫无疑问会使该举措完全失效，而仅仅只是加速通货膨胀。

英英释义

verb

• make ineffective by counterbalancing the effect of
  1. Her optimism neutralizes his gloom
  2. This action will negate the effect of my efforts
  Synonym:neutralizeneutralisenegate
• show to be invalid
  Synonym:invalidate
• declare invalid
  1. The contract was annulled
  2. void a plea
  Synonym:invalidateannulquashvoidavoid

双语例句

• He may well want to keep some actions and nullify others, not necessarily in strict reverse order.
  他可能想保留一些操作，而放弃另外一些操作，不一定是按严格的反向次序。
• ICM RME automatically finds out why the feedback was given, and, in case of erroneous feedback, it will quickly nullify its effect ( or "unlearn" it).
  ICMRME会自动地查明为什么有这样的反馈，而且在反馈错误的情况下，它会快速地消除这个反馈的影响（也就是不学习这个反馈提供的信息）。
• These surface charges partially nullify the effect of the charges on the metal plates.
  这些表面电荷部分地抵消金属极板上电荷的作用。
• However, the failure to so indicate or confirm shall not nullify the confidential nature of the disclosure.
  不过，没有说明或者证实披露信息的性质并不表示不保密。
• Defensive measures designed to destroy attacking enemy aircraft or missiles or to nullify their effectiveness.
  意在摧毁敌机或导弹的攻击或者使它们的效力无效的防御措施。
• It is worth remembering that previous wills are nullified automatically upon marriage.
  要记住的是，一旦结婚，原遗嘱自动失效。
• Moreover, the legal requirements of individual systems may, conceivably, nullify supply and demand.
  此外，个别系统的法定要求可能会使供应和需求无效，这一点毋庸置疑。
• This, of course, would nullify the effect of the move and merely accelerate inflation.
  这毫无疑问会使该举措完全失效，而仅仅只是加速通货膨胀。
• Unauthorized modification of the water heater may create a hazard to life and property and will nullify the warranty.
  对电热水器未经授权的更改可能会对生命和财产造成危害，而且也导致质量保证条款失效。
• He used his broad executive powers to nullify decisions by local governments
  他利用自己适用范围广泛的行政权力废止当地政府所作的决定。