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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A rare celestial phenomenon involving the explosion of most of the material in a star, resulting in an extremely bright, short-lived object that emits vast amounts of energy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A star which explodes, increasing its brightness to typically a billion times that of our sun, though attenuated by the great distance from our sun. Some leave only debris (Type I); others fade to invisibility as neutron stars (Type II).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a star that explodes and becomes extremely luminous in the process


super- + nova (Wiktionary)



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