dark star

/D AA1 R K S T AA0 R/
noun
  1. 1

    (astronomy, physics) An extremely bright and massive hypothetical astrophysical object whose illumination is powered by annihilation of dark-matter particles and anti-particles (or by self-annihilation if they are Majorana particles).

  2. 2

    (obsolete, astronomy, physics) A black hole: star so massive that its escape velocity is above the speed of light, making the star dark, as no light can escape.

  3. 3

    Used other than figuratively or idiomatically: see dark, star.

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