(n.) That department of the science of metaphysics which investigates and explains the nature and essential properties and relations of all beings, as such or the principles and causes of being.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ontology. Retrieved September 25, 2026, from http://smartdefine.org/ontology/definitions/2038873 |
| Chicago | Webster's. 2011. "ontology" http://smartdefine.org/ontology/definitions/2038873 (accessed September 25, 2026). |
| Harvard | Webster's 2011, ontology, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/ontology/definitions/2038873>. |
| MLA | Webster's. "ontology" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/ontology/definitions/2038873> |