white dwarf


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 In about 5 billion years, our sun is expected to become a white dwarf. Ashley Strickland, CNN, 26 Feb. 2024 The white dwarf, called WD 0816-310, is an Earth-size remnant of a star that was once like our sun but larger. Ashley Strickland, CNN, 26 Feb. 2024 Would a civilization be able to survive around a white dwarf? Bruce Dorminey, Forbes, 22 Feb. 2024 Powerful winds blow the outer layers of these stars off until there is nothing left but a white dwarf. Elizabeth Rayne, Ars Technica, 2 Aug. 2023 While the details can get a bit complicated, the white dwarf will essentially steal matter from the other star, says Howell. Joshua Rapp Learn, Discover Magazine, 10 Jan. 2024 That's why this latest discovery of a white dwarf is so intriguing. Jennifer Ouellette, Ars Technica, 20 July 2023 In exoplanetary science, white dwarfs are usually only an afterthought. Bruce Dorminey, Forbes, 22 Feb. 2024 Radiation from the white dwarf illuminates the nebula, and the different elements in the structure emit different colors. Will Sullivan, Smithsonian Magazine, 8 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'white dwarf.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of white dwarf was in 1922

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 22 May. 2024.

Kids Definition

white dwarf

: 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

More from Merriam-Webster on white dwarf

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