Associations to the word «Ontology»

Wiktionary

ONTOLOGY, noun. (uncountable) (philosophy) The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
ONTOLOGY, noun. (countable) (philosophy) The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
ONTOLOGY, noun. (logic) A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).
ONTOLOGY, noun. (computer science) (information science) A structure of concepts or entities within a domain, organized by relationships; a system model.

Dictionary definition

ONTOLOGY, noun. (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations.
ONTOLOGY, noun. The metaphysical study of the nature of being and existence.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis