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white supergiant

American

noun

Astronomy. a supergiant star with a surface temperature of around 7,000-10,000 K.

white supergiant Scientific

A rare type of extremely bright supergiant with surface temperature of around 10,000°K. Deneb, one of the brightest stars in the Milky Way, is a white supergiant; it has luminosity approximately 60,000 times that of the Sun.

Other Word Forms

Noun Inflected Forms

white supergiants

plural

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.