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

 

cosmogony

 noun
noun
BrE BrE//kɒzˈmɒɡəni//
 
; NAmE NAmE//kɑːzˈmɑːɡəni//
 
[uncountable]
 
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the part of science that deals with how the universe and the solar system began Word Origin late 17th cent.: from Greek kosmogonia, from kosmos ‘order or world’ + -gonia ‘-begetting’.
See the Oxford Advanced American Dictionary entry: cosmogony