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 That's because a white dwarf star has about the same mass as Earth's sun, Hounsell said. John Tufts, The Indianapolis Star, 6 Sep. 2024 As a result, the material ejected by the explosion did not escape completely and remained within the gravitational influence of the central white dwarf. Jacopo Prisco, CNN, 13 Aug. 2024 The feature is unusual for a supernova remnant because the explosion should have obliterated the white dwarf. Jacopo Prisco, CNN, 13 Aug. 2024 Still, that cataclysm isn’t energetic enough to shatter the white dwarf to smithereens. Phil Plait, Scientific American, 2 Aug. 2024 See all Example Sentences for white dwarf 

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 Sep. 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

More from Merriam-Webster on white dwarf

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