What does supernovae mean?
Supernovae is the plural of supernova and refers to multiple exceptionally bright explosions at the end of the lives of certain massive stars. These events can briefly make a single star shine with the light of an entire galaxy, although most are detectable only through powerful telescopes or by observing their effects on surrounding material. The word is especially important in astronomy, where supernovae help researchers study stellar evolution, the distribution of elements, and the behavior of spacetime. In general usage, the word may also evoke spectacular transformation or sudden change, but its standard meaning is strictly astronomical. It is pronounced with stress on the second syllable and is commonly written in scientific and educational contexts as the Latinate plural.
plural nounThe plural form of supernova, referring to two or more extremely energetic stellar explosions that occur at the end of the lifetimes of certain massive stars.
- The plural of supernova: stellar explosions that occur when certain massive stars undergo a catastrophic final phase.
"Astronomers observed several bright supernovae during the survey."
"The telescope captured images of distant supernovae over several nights."
"The remains of ancient supernovae provide clues about the composition of the universe."
Supernovae is the standard plural of supernova and is especially common in astronomical writing.
"Historic supernovae left behind expanding clouds of gas and dust."
Supernovae can briefly outshine entire galaxies, making them powerful natural beacons for astronomers.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does supernovae come from?
The word comes from the Latin nova, meaning “new,” combined with the prefix super-, meaning “above” or “beyond.” The term supernova was developed in the early 20th century to distinguish exceptionally powerful stellar explosions from ordinary novae. Its plural, supernovae, follows the traditional Latin plural pattern used in astronomy.
Related word forms
How supernovae is actually used
Supernovae is the usual plural in formal and scientific writing. The singular form is supernova; in astronomy, the Latin plural form is standard.
Easily confused with supernovae
A supernova is one exploding star, whereas supernovae refers to multiple such explosions.