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

ontology

noun

/ɒnˈtɒlədʒi/

/ɑːnˈtɑːlədʒi/

[uncountable] a branch of philosophy that deals with the nature of existence

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[countable] a list of concepts and categories in a subject area that shows the relationships between them
- a guide to creating a marketing ontology
- biomedical ontologies

Word Originearly 18th cent.: from modern Latin ontologia, from Greek ōn, ont- ‘being’ + -logy.

See ontology in the Oxford Advanced American DictionarySee ontology in the Oxford Learner's Dictionary of Academic English

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noun

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