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

 

nova

 noun
noun
BrE BrE//ˈnəʊvə//
 
; NAmE NAmE//ˈnoʊvə//
 
(pl. novae
BrE BrE//ˈnəʊviː//
 
; NAmE NAmE//ˈnoʊviː//
 
, novas)
(astronomy)
 
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a star that suddenly becomes much brighter for a short period compare supernova Word Origin late 19th cent.: from Latin, feminine of novus ‘new’ (because such stars were thought to be newly formed).
See the Oxford Advanced American Dictionary entry: nova

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