re·gen·er·a·tion | \ri-ˌje-nə-ˈrā-shən, ˌrē-\

Definition of regeneration 

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

Keep scrolling for more

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

Based on initial mice tests, researchers expected the vaccine would prompt regeneration of the pancreas, which produces insulin. Glenn Fleishman, Fortune, "Tuberculosis Vaccine Could Reverse Type 1 Diabetes, Study Shows," 21 June 2018 In 2015, Scottish actress Michelle Gomez joined the series as Missy, the latest regeneration of The Master, the only other survivor of Gallifrey, which was destroyed in an interstellar war. Pam Kragen,, "New 'Doctor Who' lineup to debut at San Diego Comic-Con," 14 June 2018 Fox reports that during its nymph stage, the cockroach is also capable of regeneration. Jason Daley, Smithsonian, "Cockroach Genome Shows Why They Are Impossible to Kill," 21 Mar. 2018 But even amid the devastation there are signs of regeneration. Washington Post, "AP PHOTOS: Green grass, black lava at Guatemala golf club," 3 July 2018 Others, too, are making progress in getting at the molecular details of regeneration. Elizabeth Pennisi, Science | AAAS, "This one, newly discovered cell can remake a whole animal," 14 June 2018 This is a moment of regeneration, so find empowerment in your ability to release. Aliza Kelly Faragher, Allure, "What June's Cancer Horoscope Means for You," 29 May 2018 Shutterstock In contemporary times, the Olympics have become a vehicle for investment, global attention, and urban regeneration. Patrick Sisson, Curbed, "Will LA’s ‘no-build’ Olympics spur Southern California’s next building boom?," 10 July 2018 Michigan Central Station, the poster child for Detroit’s urban blight, could soon become a beacon for the city’s budding regeneration after being acquired by the Ford Motor Company. Daniel Bentley, Fortune, "Ford Returns to Its Ancestral Home With Purchase of Detroit Landmark," 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'regeneration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of regeneration

14th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about regeneration

Share regeneration

Statistics for regeneration

Last Updated

12 Oct 2018

Look-up Popularity

Time Traveler for regeneration

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

See more words from the same century

Keep scrolling for more

More Definitions for regeneration


re·gen·er·a·tion | \ri-ˌjen-ə-ˈrā-shən, ˌrē- \

Medical Definition of regeneration 

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

Keep scrolling for more

Comments on regeneration

What made you want to look up regeneration? Please tell us where you read or heard it (including the quote, if possible).


required by fashion, etiquette, or custom

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!