Dictionary.com

ontology

[ on-tol-uh-jee ]
/ ɒnˈtɒl ə dʒi /
Save This Word!
See synonyms for: ontology / ontological on Thesaurus.com

noun
the branch of metaphysics that studies the nature of existence or being as such.
(loosely) metaphysics.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of ontology

From the New Latin word ontologia, dating back to 1715–25. See onto-, -logy

OTHER WORDS FROM ontology

on·to·log·i·cal [on-tl-oj-i-kuhl], /ˌɒn tlˈɒdʒ ɪ kəl/, on·to·log·ic, on·tol·o·gis·tic [on-tol-uh-jis-tik], /ɒnˌtɒl əˈdʒɪs tɪk/, adjectiveon·tol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use ontology in a sentence

British Dictionary definitions for ontology

ontology
/ (ɒnˈtɒlədʒɪ) /

noun
philosophy the branch of metaphysics that deals with the nature of being
logic the set of entities presupposed by a theory

Derived forms of ontology

ontological, adjectiveontologically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK