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a binary star that is an intense source of X-rays and is composed of a normal star in close orbit with 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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Nearby words for x-ray binary
x-ray binary star