high-mass x-ray binary
Also found in: Acronyms, Wikipedia.
high-mass x-ray binary[¦hī‚mas ¦eks‚rā′bī‚ner·ē]
A binary system consisting of a massive (greater than 5 solar masses), early-type star and a neutron star or black hole that accretes material through a stellar wind or Roche-lobe overflow, resulting in the emission of hard x-rays. Abbreviated HMXRB.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.