Definition of ontology in English:


Line breaks: ontol|ogy
Pronunciation: /ɒnˈtɒlədʒi


[mass noun]
The branch of metaphysics dealing with the nature of being.
More example sentences
  • For such reasons as these Heidegger believes that ontology and phenomenology coincide.
  • Heidegger interprets such judgements as belonging to general metaphysics or ontology.
  • This question, we have seen, is also a central concern in Mead's ontology and epistemology.


early 18th century: from modern Latin ontologia, from Greek ōn, ont- 'being' + -logy.



Pronunciation: /-təˈlɒdʒɪk(ə)l/
More example sentences
  • More generally, one should keep distinct issues of epistemic and ontological dependence.
  • The first is the identity theory or ontological reductionism.
  • This is simply because any entity's ontological category is very plausibly one of its essential features.


Pronunciation: /-təˈlɒdʒɪk(ə)li/
More example sentences
  • Though Heidegger understands technology ontologically he also understands ontology historically.
  • Nevertheless, the object of cognition remains ontologically transcendent, while epistemologically immanent.
  • But we were looking for a sense of ‘ontologically dependent’ in which it is true to say that Socrates's life is ontologically dependent upon him, but not vice versa.


More example sentences
  • ‘Ontology’ is a grandiose name for a part of metaphysics: an ontologist attempts to determine what sort of things really exist, what are the fundamental entities of which the world consists.
  • We boast of our outlaw status as outsiders or marginals, as guerilla ontologists; why then, do we continually beg for authenticity and validation (either as ‘reward’ or as ‘punishment’) from authority?
  • Many ‘ontologists’ are truly re-inventing the wheel - an already-developed thesaurus for their subject matter may be hiding in the stacks of their local university library.

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