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 object could be a white dwarf—an Earth-sized husk that remains after a star has exhausted its nuclear fuel.
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Jeffrey Kluger, Time, 30 May 2025
The most likely scenario is a Type Ia supernova, which occurs in binary star systems in which a white dwarf consumes enough mass of its companion star to explode violently.
—Stefanie Waldek, Space.com, 29 May 2025
Now, thanks to Webb, the rings—which are likely composed of small dust grains, heated by ultraviolet light from a white dwarf star—can be seen clearly.
—Eric Berger, ArsTechnica, 15 Apr. 2025
Eventually Arcturus will belch away most of its gas and will shrink down to a white dwarf star.
—Mike Lynch, Twin Cities, 13 Apr. 2025
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Jeffrey Kluger, Time, 30 May 2025
The most likely scenario is a Type Ia supernova, which occurs in binary star systems in which a white dwarf consumes enough mass of its companion star to explode violently.
—Stefanie Waldek, Space.com, 29 May 2025
Now, thanks to Webb, the rings—which are likely composed of small dust grains, heated by ultraviolet light from a white dwarf star—can be seen clearly.
—Eric Berger, ArsTechnica, 15 Apr. 2025
Eventually Arcturus will belch away most of its gas and will shrink down to a white dwarf star.
—Mike Lynch, Twin Cities, 13 Apr. 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 12 Jun. 2025.
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