Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: Modern Latin
Origin: ontologia, from Greek ont- 'being', from einai 'to be'

ontology

 noun
     
Related topics: Philosophy
on‧tol‧o‧gy [uncountable]
RP a subject of study in philosophy that is concerned with the nature of existence
—ontological adjective
Definition from the Longman Dictionary of Contemporary English
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