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collapsar

[kuh-lap-sahr] /kəˈlæp sɑr/
noun, Astronomy.
1.
(formerly) a gravitationally collapsed star.
Compare black hole.
Origin of collapsar
1970-1975
1970-75; collapse + -ar, extracted from pulsar, quasar, etc.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for collapsar

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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