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collapsar

[ kuh-lap-sahr ]

noun

, Astronomy.
  1. (formerly) a gravitationally collapsed star.

collapsar

/ kɒˈlæpsɑː /

noun

  1. astronomy a collapsed star, either a white dwarf, neutron star, or black hole
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of collapsar1

1970–75; collapse + -ar, extracted from pulsar, quasar, etc.

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collagen injectioncollapse

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