American English

Definition of reductio ad absurdum noun from the Oxford Advanced American Dictionary


reductio ad absurdum

NAmE//rɪˌdʌktioʊ æd əbˈsərdəm//
[uncountable, countable] (philosophy) (from Latin)
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a method of proving that something is not true by showing that its result is not logical or sensible
See the Oxford Advanced Learner's Dictionary entry: reductio ad absurdum