Definition of metaphysics noun from the Oxford Advanced American Dictionary

 

metaphysics

 noun
noun
NAmE//ˌmɛt̮əˈfɪzɪks//
 
[uncountable]
 
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the branch of philosophy that deals with the nature of existence, truth, and knowledge
metaphysical
 
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NAmE//ˌmɛt̮əˈfɪzɪkl//
 
adjective metaphysical problems/speculation
See the Oxford Advanced Learner's Dictionary entry: metaphysics