red dwarf
noun
: a star having substantially lower surface temperature, intrinsic luminosity, mass, and size than the sun
Examples of red dwarf in a Sentence
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The planet is huge; the star is tiny, a red dwarf only 20 percent the mass of our own sun.
—
Avery Hurt, Discover Magazine, 27 June 2025
Such large worlds are, however, rarely found around the smallest stars, red dwarfs.
—Keith Cooper, Space.com, 4 June 2025
About the size of Saturn, the new world is circling a red dwarf star about 111 light-years away.
—Alex Knapp, Forbes.com, 27 June 2025
But Proxima Centauri is a red dwarf star, with just a fraction of the sun's brightness and size.
—Paul Sutter, Space.com, 20 May 2025
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Avery Hurt, Discover Magazine, 27 June 2025
Such large worlds are, however, rarely found around the smallest stars, red dwarfs.
—Keith Cooper, Space.com, 4 June 2025
About the size of Saturn, the new world is circling a red dwarf star about 111 light-years away.
—Alex Knapp, Forbes.com, 27 June 2025
But Proxima Centauri is a red dwarf star, with just a fraction of the sun's brightness and size.
—Paul Sutter, Space.com, 20 May 2025
See All Example Sentences for red dwarf
Cite this Entry
“Red dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20dwarf. Accessed 18 Jul. 2025.
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