Share this entry

Share this page

supergiant

Line breaks: super|giant
Pronunciation: /ˈsuːpədʒʌɪənt
 
, ˈsjuː-/

Definition of supergiant in English:

noun

Astronomy
A very large star that is even brighter than a giant, often despite being relatively cool.
Example sentences
  • It was suggested that the red supergiant orbited a companion star that had shredded its outer layers just before the explosion.
  • This new heat supply causes the outer layers of the star to expand and cool, and the star becomes a red giant, or a red supergiant if it is very massive.
  • In fact, it has become the coolest supergiant star ever found and all because of a single observation made by a dedicated amateur astronomer in Australia.

Definition of supergiant in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day jaunt
Pronunciation: dʒɔːnt
noun
a short excursion or journey made for pleasure