nova

word

/ˈnoʊvə/
NOH-vuh
/nˈəʊvɐ/
NOH-vuh

Definition

A nova is a star that suddenly becomes much brighter for a short period of time and then returns to its original brightness. It happens because of an explosion on the star's surface.

Usage & Nuances

'Nova' is mainly used in astronomy and is not used for people or other things. Do not confuse it with 'supernova,' which is a much bigger and more powerful event. Plural is 'novae' or 'novas'.

Example Sentences

Scientists study novae to learn how stars change over time.

natural

A nova can light up the night sky for days.

basic

The astronomer discovered a new nova last year.

basic

A nova is not as powerful as a supernova.

basic

Did you see the bright nova last night? It was amazing!

natural

After the explosion, the nova slowly faded and disappeared from view.

natural