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Definition of fallacy noun from the Oxford Advanced Learner's Dictionary

fallacy

noun
 
/ˈfæləsi/
 
/ˈfæləsi/
(plural fallacies)
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  1. [countable] a false idea that many people believe is true
    • It is a fallacy to say that the camera never lies.
    Extra Examples
    • The idea that all women want children is a common fallacy.
    • There's a widespread fallacy that longer working hours mean increased productivity.
  2. [uncountable, countable] a false way of thinking about something
    • He detected the fallacy of her argument.
  3. see also pathetic fallacy
    Word Originlate 15th cent. (in the sense ‘deception, guile’; gradually superseding Middle English fallace): from Latin fallacia, from fallax, fallac- ‘deceiving’, from fallere ‘deceive’.
See fallacy in the Oxford Advanced American DictionarySee fallacy in the Oxford Learner's Dictionary of Academic English

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From the Topic
Physics and chemistry
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