Meaning & use
supernova
A massive explosion that occurs when a dying star collapses and violently blows apart, briefly outshining a whole galaxy.
See it in a sentence
Astronomers spotted a supernova in a distant galaxy through the telescope.
The heavy elements in our bodies were forged inside an ancient supernova.
A note on using this word
Plural is "supernovae" or "supernovas"; both forms are accepted in modern usage.
Words with a similar meaning
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