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ontology
WIKTIONARY
ontology
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. uncountable, philosophy
  • The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe. countable, philosophy
  • A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939). logic
  • A structure of concepts or entities within a domain, organized by relationships; a system model. computer science, information science
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