white dwarf
noun
plural white dwarfs
: a small hot whitish star of low intrinsic brightness usually with a mass approximately equal to that of the sun but with a density many times larger
Examples of white dwarf in a Sentence
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Scientists have predicted that, for these systems, an accretion disk should still be formed, but it should be dragged toward the poles of these white dwarfs.
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Robert Lea, Space.com, 21 Nov. 2025
The hypothesis was based on the taking of distance measurements to faraway galaxies using type 1a supernovae, stellar explosions that occur in twin star systems where one of the stars is a white dwarf.
—Ian Randall, MSNBC Newsweek, 6 Nov. 2025
Another potential cause is a white dwarf — a dead star as heavy as our sun but condensed to the size of Earth — being ripped apart by a rare intermediate-mass black hole.
—Ashley Strickland, CNN Money, 22 Sep. 2025
Despite their diminutive size, white dwarfs are still extremely dense.
—Andrew Paul Aug 6, Popular Science, 6 Aug. 2025
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Robert Lea, Space.com, 21 Nov. 2025
The hypothesis was based on the taking of distance measurements to faraway galaxies using type 1a supernovae, stellar explosions that occur in twin star systems where one of the stars is a white dwarf.
—Ian Randall, MSNBC Newsweek, 6 Nov. 2025
Another potential cause is a white dwarf — a dead star as heavy as our sun but condensed to the size of Earth — being ripped apart by a rare intermediate-mass black hole.
—Ashley Strickland, CNN Money, 22 Sep. 2025
Despite their diminutive size, white dwarfs are still extremely dense.
—Andrew Paul Aug 6, Popular Science, 6 Aug. 2025
See All Example Sentences for white dwarf
Cite this Entry
“White dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20dwarf. Accessed 23 Nov. 2025.
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