supernova noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of supernova noun from the Oxford Advanced American Dictionary

supernova

noun

NAmE//ˈsupərˌnoʊvə//

, NAmE//ˌsupərˈnoʊvə//

(pl. supernovae

NAmE//ˈsupərˌnoʊvi//

, NAmE//ˌsupərˈnoʊvi//

, (or )supernovas) (astronomy)

a star that suddenly becomes much brighter because it is exploding compare nova

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