Word.ws English Dictionary

Plural of ontology

regular plural

The plural of ontology is ontologies.

Forms of ontology

Singularontology /ɒnˈtɒləd͡ʒi/
Pluralontologies /ɑnˈtɑləd͡ʒiz/
Countablecountable and uncountable

Ontologies in a sentence

  • The Knowledge Interchange Format is a proposed standard for the specification and interchange of ontologies.2000, William J. Raynor, Jr., The International Dictionary of Artificial Intelligence, page 155. From the entry Knowledge Interchange Format
  • As the success of GO shows, ontologies are useful in omics research with both taxonomic and partonomic hierarchies.2015 July 1, Asami Suzuki et al., “Development of an Ontology for Periodontitis”, in Journal of Biomedical Semantics, volume 6, →DOI. From the entry partonomic
  • Defining pantheism as an ontology alongside analogism, it may be noted, requires an emendation to Descola's four ontologies: naturalism, totemism, animism and analogism.2022, Olaf Almqvist, Chaos, Cosmos and Creation in Early Greek Theogonies. From the entry analogism
  • At this point it might be noted that Copenhagenists are sometimes characterized as hard-nosed positivists who renounce all physical ontologies for QT except sense data.2009, Salvator Cannavo, Quantum Theory: A Philosopher's Overview, page 53. From the entry Copenhagenist

Meaning of ontology

  1. noun The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
  2. noun In a subject view, or a world view, the set of conceptual or material things or classes of things that are recognised as existing, or are assumed to exist in context, and their interrelations; in a body of theory, the ontology comprises the domain of discourse, the things that are defined as existing, together with whatever emerges from their mutual implications.
  3. noun The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.

Full definition of ontology

Questions about the plural of ontology

What is the plural of ontology?
The plural of ontology is ontologies.
Is ontology countable?
Ontology is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: ontology (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of ontology.” Word.ws, https://word.ws/plural/ontology. Based on Wiktionary, CC BY-SA 4.0.