supergiant star


Astronomy. an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.

Nearby words

  1. superfund,
  2. superfuse,
  3. supergalaxy,
  4. supergene,
  5. supergiant,
  6. superglacial,
  7. superglue,
  8. supergovernment,
  9. supergrade,
  10. supergranulation cell

Origin of supergiant star

First recorded in 1925–30

Also called supergiant. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019