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



    BrE BrE//ˈθɒlədʒi//
    ; NAmE NAmE//ˈθɑːlədʒi//
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  1. 1[uncountable] (medical) the scientific study of diseases
  2. 2[countable] an aspect of somebody’s behaviour that is extreme and unreasonable and that they cannot control
  3. Word Originearly 17th cent.: from modern or medieval Latin pathologia (see patho-, -logy).
See the Oxford Advanced American Dictionary entry: pathology