supergiant star
noun
Astronomy. an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.
Origin of supergiant star
1First recorded in 1925–30
- Also called supergiant.
Words Nearby supergiant star
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use supergiant star in a sentence
For insomniacs or predawn risers, the moon and the red supergiant star Antares pair up for a sight to see in the southern sky.
D.C.-area forecast: Sunny through the weekend but colder than normal | David Streit | March 4, 2021 | Washington Post
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