red supergiant
noun
a supergiant star with relatively low surface temperature and light that appears reddish.
red supergiants
-
pluralof red supergiant.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Massive stars in the late stages of their lives, red supergiants are among the largest stars in the universe.
From Science Daily ● Oct. 9, 2025
In their final life stages, red supergiants like WOH G64 shed their outer layers of gas and dust in a process that can last thousands of years.
From Science Daily ● Nov. 21, 2024
“It points, maybe, to our ignorance about how red supergiants evolve and die in the last few years before explosion.”
From Scientific American ● Jul. 21, 2023
Over time, massive stars become red supergiants, and lower-mass stars like the Sun become red giants.
From Textbooks ● Oct. 13, 2016
According to theory, only aging red supergiants, whose outer gaseous layers had turned from blue to red as they expanded and cooled, spawned this type of supernova.
From Time Magazine Archive
