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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What's left behind is the raw stellar core — a white dwarf.
—
Julian Dossett, Space.com, 7 Apr. 2025
Since this star system of a white dwarf (the dense core of a dead star) and a red supergiant (an expanding cooling star) is 3,000 light-years away, whatever is about to happen did so 3,000 years ago.
—Jamie Carter, Forbes.com, 27 Mar. 2025
Now, astronomers have zeroed in on the surprising origin of the unusual radio pulses: a dead star, called a white dwarf, that is closely orbiting a small, cool red dwarf star.
—Ashley Strickland, CNN, 14 Mar. 2025
Multiple kinds of observations from a variety of instruments led groups to a rare phenomenon: a white dwarf tightly orbiting a red dwarf every 125 minutes.
—Paul Smaglik, Discover Magazine, 12 Mar. 2025
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Julian Dossett, Space.com, 7 Apr. 2025
Since this star system of a white dwarf (the dense core of a dead star) and a red supergiant (an expanding cooling star) is 3,000 light-years away, whatever is about to happen did so 3,000 years ago.
—Jamie Carter, Forbes.com, 27 Mar. 2025
Now, astronomers have zeroed in on the surprising origin of the unusual radio pulses: a dead star, called a white dwarf, that is closely orbiting a small, cool red dwarf star.
—Ashley Strickland, CNN, 14 Mar. 2025
Multiple kinds of observations from a variety of instruments led groups to a rare phenomenon: a white dwarf tightly orbiting a red dwarf every 125 minutes.
—Paul Smaglik, Discover Magazine, 12 Mar. 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 24 Apr. 2025.
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