English

Definition of astrophysics noun from the Oxford Advanced Learner's Dictionary

 

astrophysics

 noun
noun
BrE BrE//ˌæstrəʊˈfɪzɪks//
 
; NAmE NAmE//ˌæstroʊˈfɪzɪks//
 
[uncountable] The universe
 
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the scientific study of the physical and chemical structure of the stars, planets, etc. See related entries: The universe
See the Oxford Advanced American Dictionary entry: astrophysics