 ##  [Ontology](/index.php/ontology) 

  ##  [Ontology](https://natural.quantumdictionary.io/ontology-0) 

  
 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/index.php/topic-specific-dictionaries/natural-formal-sciences)


**Natural &amp; Formal Sciences Dictionary**

 
Definition

A formal, explicit specification of concepts, classes, relationships, properties, and axioms within a domain that enables shared understanding, reasoning, and interoperability across systems and agents.

 
 ##  [Ontology](https://humanitites.quantumdictionary.io/ontology-1) 

  
 [![Humanities & Arts Dictionary](/sites/default/files/styles/large/public/2026-01/Humanities%20%26%20Arts.png.webp?itok=4SMNHqFS)](/index.php/topic-specific-dictionaries/humanities-arts)


**Humanities &amp; Arts Dictionary**

 
Definition

A structured inventory of categories, types, and interrelations that specifies which kinds of entities are posited to exist and how they are related within a given metaphysical, theoretical, or representational account.