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



BrE BrE//ˈnəʊvə//
; NAmE NAmE//ˈnoʊvə//
(pl. novae
BrE BrE//ˈnəʊviː//
; NAmE NAmE//ˈnoʊviː//
, novas)
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a star that suddenly becomes much brighter for a short period compare supernova Word Originlate 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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