red giant

noun

: a star that has low surface temperature and a diameter that is large relative to the sun

Examples of red giant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The white dwarf acts as a cosmic thief, pulling material from its red giant companion in a process called accretion. Tom Howarth, Newsweek, 31 Dec. 2024 The team observed that the outer star is in the process of becoming a red giant, a phase occurring at the end of a star’s life. Laura Baisas, Popular Science, 23 Oct. 2024 Our star will eventually become a red giant and then collapse into a white dwarf billions of years from now. Amanda Kooser, Forbes, 17 Oct. 2024 In the evening, red giant flying squirrels emerged from their tree holes before sailing from trunk to trunk in the twilight. Mihir Zaveri, New York Times, 25 Nov. 2024 See all Example Sentences for red giant 

Word History

First Known Use

1929, in the meaning defined above

Time Traveler
The first known use of red giant was in 1929

Dictionary Entries Near red giant

Cite this Entry

“Red giant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20giant. Accessed 15 Jan. 2025.

Kids Definition

red giant

noun
: a very large star with a relatively low surface temperature

More from Merriam-Webster on red giant

Last Updated: - Updated example sentences
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