Definition of collapsar noun from the Oxford Advanced Learner's Dictionary

 

collapsar

 noun
noun
BrE BrE//kəˈlæpsɑː(r)//
 
; NAmE NAmE//kəˈlæpsɑːr//
 
(astronomy)
 
jump to other results
an old star that has collapsed under its own gravity
See the Oxford Advanced American Dictionary entry: collapsar