regeneration

noun

re·​gen·​er·​a·​tion ri-ˌje-nə-ˈrā-shən How to pronounce regeneration (audio)
ˌrē-
1
: an act or the process of regenerating : the state of being regenerated
2
: spiritual renewal or revival
3
: renewal or restoration of a body, bodily part, or biological system (such as a forest) after injury or as a normal process
4
: utilization by special devices of heat or other products that would ordinarily be lost

Examples of regeneration in a Sentence

the regeneration of knitting and crocheting is in full bloom, with Hollywood stars admitting they knit and crochet on movie sets
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 researchers found that under specific experimental conditions, some mouse neurons activate a specific pattern of genes related to neuronal growth and regeneration. Ashley MacKin Solomon, San Diego Union-Tribune, 4 Nov. 2025 What's more, blocking this fat-cell breakdown stopped hair regeneration entirely, showing that lipolysis plays a key role in hair regeneration. New Atlas, 29 Oct. 2025 His nightly healing symbolizes the inborn and relentless power of Man for revitalization and regeneration, his inalienable creative capacity. James Folta, Literary Hub, 22 Oct. 2025 But what the industry also needs to understand, chimed in Patrik Frisk, CEO of materials regeneration firm Reju, is that textile-to-textile recycling, at least at scale, is an entirely new supply chain. Jasmin Malik Chua, Sourcing Journal, 22 Oct. 2025 See All Example Sentences for regeneration

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of regeneration was in the 14th century

Browse Nearby Words

Cite this Entry

“Regeneration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regeneration. Accessed 6 Nov. 2025.

Kids Definition

regeneration

noun
re·​gen·​er·​a·​tion ri-ˌjen-ə-ˈrā-shən How to pronounce regeneration (audio)
ˌrē-
: an act or the process of regenerating : the state of being regenerated

Medical Definition

regeneration

noun
re·​gen·​er·​a·​tion ri-ˌjen-ə-ˈrā-shən, ˌrē- How to pronounce regeneration (audio)
1
: an act or the process of regenerating : the state of being regenerated
2
: the renewal, regrowth, or restoration of a body or a bodily part, tissue, or substance after injury or as a normal bodily process
continual regeneration of epithelial cells
regeneration of the uterine lining
compare regulation sense 2a

More from Merriam-Webster on regeneration

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