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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
Recent Examples on the Web
The Blaze Star has become a white dwarf, which happens when stars have exhausted their nuclear fuels.
—Julia Jacobo, ABC News, 31 Oct. 2024
The other is a white dwarf, the small and dense core of a dead star.
—Amanda Kooser, Forbes, 17 Oct. 2024
The same general idea holds true for material being blasted away by the jet ending up on the white dwarf.
—John Timmer, Ars Technica, 27 Sep. 2024
After the nova, the white dwarf returns to its normal size, and starts the process all over again.
—Gordon G. Chang, Newsweek, 1 Nov. 2024
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Word History
First Known Use
1922, in the meaning defined above
Dictionary Entries Near white dwarf
Cite this Entry
“White dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20dwarf. Accessed 23 Dec. 2024.
Kids Definition
white dwarf
noun
: a small whitish star of low brightness that has a mass approximately equal to that of the sun but that is many times more dense
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