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  1. Ontology - Wikipedia

    Ontology is the study of being. It is the branch of philosophy that investigates the nature of existence, the features all entities have in common, and how they are divided into basic …

  2. Ontology | Definition, History & Examples | Britannica

    Ontology, the philosophical study of being in general, or of what applies neutrally to everything that is real. It was called “first philosophy” by Aristotle in Book IV of his Metaphysics. The Latin …

  3. ONTOLOGY Definition & Meaning - Merriam-Webster

    Aug 5, 2012 · The meaning of ONTOLOGY is a branch of metaphysics concerned with the nature and relations of being. How to use ontology in a sentence.

  4. Exploring Ontology: A Comprehensive Overview - Philosophos

    Dec 17, 2025 · Ontology is a branch of metaphysics that asks and answers questions about the nature of existence. Learn about its types, principles, and examples.

  5. Ontology - Encyclopedia.com

    Jun 11, 2018 · ONTOLOGY Ontology is the most general science or study of Being, Existence, or Reality. An informal use of the term signifies what, in general terms, a philosopher considers …

  6. ontology - The University of Warwick

    Ontology concerns claims about the nature of being and existence. One of the longest standing ontological questions in philosophy concerns the existence, or otherwise, of God or at least …

  7. Ontology: The Study of Existence, Structure, and Meaning Across …

    Ontology, a fundamental branch of philosophy and information science, explores the nature of existence, reality, and the categorization of entities across various domains. This …

  8. What is Ontology? | The Ontology Research & Development …

    Ontology is the philosophical study of being, existence, and reality. In information science, an ontology is a formal representation of knowledge as a set of concepts within a domain and the …

  9. Logic and Ontology - Stanford Encyclopedia of Philosophy

    Oct 4, 2004 · A number of important philosophical problems are at the intersection of logic and ontology. Both logic and ontology are diverse fields within philosophy and, partly because of …

  10. Ontology - Oxford Reference

    Dec 26, 2025 · The branch of metaphysics dealing with the nature of being. Recorded from the early 18th century, the word comes from modern Latin ontologia, from Greek ōn, ont− ‘being’, …