regrowth

noun

re·​growth (ˌ)rē-ˈgrōth How to pronounce regrowth (audio)
plural regrowths
: the act or process of regrowing
the regrowth of forests
also : a result or product of regrowing
cattle grazing on pasture regrowth

Examples of regrowth 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.
Most will also suffer from divorce, failed franchises, hair loss and sudden hair regrowth. Choire Sicha, CNN Money, 4 Nov. 2025 In one experiment, the scientists saw hair regrowth in mice within 20 days of applying the topical treatments once a day. Angelica Stabile, FOXNews.com, 2 Nov. 2025 After these experiments, the researchers noted that visible hairs first emerged at around 10 days, with full regrowth by day 20 – something that would not have occurred naturally in that time frame. New Atlas, 29 Oct. 2025 Researchers from National Taiwan University have developed a serum that caused hair regrowth in mice in just 20 days, raising questions about what the finding means for the treatment of human baldness. Jasmine Laws, MSNBC Newsweek, 27 Oct. 2025 See All Example Sentences for regrowth

Word History

First Known Use

1741, in the meaning defined above

Time Traveler
The first known use of regrowth was in 1741

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Cite this Entry

“Regrowth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regrowth. Accessed 9 Nov. 2025.

Kids Definition

regrowth

noun
re·​growth
(ˈ)rē-ˈgrōth
: the process of regrowing
conditions affecting forest regrowth
also : a result or product of regrowing
cattle grazing on pasture regrowth

Medical Definition

regrowth

noun
re·​growth -ˈgrōth How to pronounce regrowth (audio)
: an act or instance of regrowing
regrowth of hair
tumor regrowth
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