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单词 vitiate
释义

WordReference Random House Learner's Dictionary of American English © 2024
vi•ti•ate /ˈvɪʃiˌeɪt/USA pronunciation   v. [+ object], -at•ed, -at•ing. 
  1. to ruin or reduce the quality of; make faulty;
    spoil.
  2. to reduce or weaken the effectiveness of:vitiated his best efforts.
  3. Lawto make (a claim) legally invalid;
    invalidate:to vitiate a claim.
vi•ti•a•tion /ˌvɪʃiˈeɪʃən/USA pronunciation  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
vi•ti•ate  (vishē āt′),USA pronunciation v.t., -at•ed, -at•ing. 
  1. to impair the quality of;
    make faulty;
    spoil.
  2. to impair or weaken the effectiveness of.
  3. to debase;
    corrupt;
    pervert.
  4. Lawto make legally defective or invalid;
    invalidate:to vitiate a claim.
  • Latin vitiātus, past participle of vitiāre to spoil, der. of vitium blemish, vice1 + -ātus -ate1
  • 1525–35
vi′ti•a tion, n. 
vi ti•a′tor, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
vitiate /ˈvɪʃɪˌeɪt/ vb (transitive)
  1. to make faulty or imperfect
  2. to debase, pervert, or corrupt
  3. to destroy the force or legal effect of (a deed, etc)
Etymology: 16th Century: from Latin vitiāre to injure, from vitium a fault

ˌvitiˈation n ˈvitiˌator n
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