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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Procyon's white dwarf companion was not found until 1896 at the Lick Observatory in California.
—
Joe Rao, Space.com, 23 Jan. 2026
The process of expending off energy makes a dying star what's called a red giant, before the white dwarf remains.
—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
Search for life on planets orbiting white dwarfs Astronomers haven’t yet found any Earth-like, habitable exoplanets around white dwarfs.
—Juliette Becker, The Conversation, 28 Aug. 2025
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Joe Rao, Space.com, 23 Jan. 2026
The process of expending off energy makes a dying star what's called a red giant, before the white dwarf remains.
—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
Search for life on planets orbiting white dwarfs Astronomers haven’t yet found any Earth-like, habitable exoplanets around white dwarfs.
—Juliette Becker, The Conversation, 28 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 31 Jan. 2026.
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