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ALL meanings of betelgeuse

Be·tel·geuse
B b
  • noun betelgeuse a very remote luminous red supergiant, Alpha Orionis: the second brightest star in the constellation Orion. It is a variable star 3
  • noun betelgeuse a reddish, supergiant variable star in the constellation Orion: magnitude, 0.4 to 0.9 3
  • noun betelgeuse a first-magnitude red supergiant in the constellation Orion. 1
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