ontology
noun /ɒnˈtɒlədʒi/
/ɑːnˈtɑːlədʒi/
- [uncountable] a branch of philosophy that deals with the nature of existence
- [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.