[ɒnˈtɒlədʒi], (Noun)

Definitions:
- the branch of metaphysics dealing with the nature of being

- a set of concepts and categories in a subject area or domain that shows their properties and the relations between them
(e.g: what's new about our ontology is that it is created automatically from large datasets)


Phrases:

Origin:
mid 17th century: from modern Latin ontologia, from Greek ōn, ont- ‘being’ + -logy