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Definitions

nova

[noh-vuh] / ˈnoʊ və /
NOUN
variable star that suddenly erupts
Synonyms
STRONGEST
STRONG
WEAK
aster orb


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It unexpectedly held onto its outer layers for more than 50 days before releasing them, offering the clearest evidence yet for a delayed expulsion in a nova.

From Science Daily • Dec. 31, 2025

Pair the bagels with hand sliced nova salmon, cream cheese, and a slice of tomato for a true feast.

From Salon • Dec. 4, 2025

“Oganesson” is constructed around his delicate strummed riff, which recalls the ease of bossa nova, and it has an airiness and jazziness not found elsewhere on the record.

From The Wall Street Journal • Oct. 28, 2025

Over time, the material it grabs from the other star gets crushed and compressed - until eventually it triggers a nuclear explosion, releasing a huge amount of energy - a process known as going nova.

From BBC • Dec. 30, 2024

In 1573 he had published a study of the nova which had appeared the previous year.

From "The Invention of Science" by David Wootton