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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The powerful thermonuclear explosions on the surfaces of two white dwarfs have been resolved in detail for the first time, revealing that these eruptions are more complex than previously thought.
—
Keith Cooper, Space.com, 11 Dec. 2025
To understand a nova, first understand a white dwarf.
—Keith Matheny, Freep.com, 11 Dec. 2025
At the heart of this bipolar nebula is a white dwarf star that cast aside its outer layers of gas long ago.
—CBS News, 27 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
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Keith Cooper, Space.com, 11 Dec. 2025
To understand a nova, first understand a white dwarf.
—Keith Matheny, Freep.com, 11 Dec. 2025
At the heart of this bipolar nebula is a white dwarf star that cast aside its outer layers of gas long ago.
—CBS News, 27 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
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 17 Dec. 2025.
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