Definition of ontological adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌɒntəˈlɒdʒɪkl//
    ; NAmE NAmE//ˌɑːntəˈlɑːdʒɪkl//
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  1. 1connected with the branch of philosophy that deals with the nature of existence the ontological argument for the existence of God a system of ontological categories
  2. 2(computing) that shows the relationships between all the concepts and categories in a subject area an ontological database