Share this entry
collapsar Line breaks: col|lap¦sar
Pronunciation: /kəˈlapsɑː/

Definition of collapsar in English:


An old star that has collapsed under its own gravity to form a white dwarf, neutron star, or black hole.
Example sentences
  • Two papers scheduled for an upcoming Astrophysical Journal Letters appear to support the collapsar model.
  • Still, the collapsar is an extremely attractive model that fits a wide range of observed gamma-ray bursts.
  • Pruet and his colleagues are also investigating whether collapsars might be the sources of other elements as well.


Late 20th century: from collapse, on the pattern of words such as pulsar.

Definition of collapsar in:
Share this entry

What do you find interesting about this word or phrase?

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

Subscribe to remove adverts and access premium resources