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supergiant

/ˌsupərˈdʒaɪənt/
IPA guide

Other forms: supergiants

Definitions of supergiant
  1. noun
    an extremely bright star of very large diameter and low density
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    examples:
    Alpha Orionis
    the second brightest star in Orion
    Canopus
    supergiant star 650 light years from Earth; second brightest star in the sky
    type of:
    star
    (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
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