American English

Definition of -ory suffix from the Oxford Advanced American Dictionary

     

    -ory

     suffix
    suffix
    NAmE//ɔri//
     
    , NAmE//əri//
     
     
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  1. 1(in adjectives) that does explanatory
  2. 2(in nouns) a place for observatory
See the Oxford Advanced Learner's Dictionary entry: -ory