American English

Definition of a posteriori adjective from the Oxford Advanced American Dictionary


a posteriori

adjective, adverb
NAmE//ˌeɪ pɑˌstɪriˈɔraɪ//
, NAmE//ˌɑ poʊˌstɪriˈɔri//
(from Latin) (formal)
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analyzing something by starting from known facts and then thinking about the possible causes of the facts, for example saying, “Look, the streets are wet, so it must have been raining.” compare a priori
See the Oxford Advanced Learner's Dictionary entry: a posteriori