regeneration

noun

re·​gen·​er·​a·​tion ri-ˌje-nə-ˈrā-shən 

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

Synonyms of regeneration

• revival
• resurgence
• rebirth
• renewal

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

Every edit, regeneration, and follow-up question a worker fires into a frontier model is training data, aggregated across hundreds of millions of users and tens of billions of conversations. —Nick Lichtenberg, Fortune, 29 Apr. 2026

Researchers revealed that keratin – a natural structural protein derived from wool – was shown to support bone regeneration in a living animal. —Prabhat Ranjan Mishra, Interesting Engineering, 27 Apr. 2026

Researchers suspected that this lack of regenerative capacity could be responsible for a lack of cancer, a disease of runaway regeneration, originating in the heart. —Anil Oza, STAT, 23 Apr. 2026

Cutting-edge tech abounds, including machines from the VR training company Icaros that give you a crazy core workout, devices for intravenous ozone therapy, a bed for advanced cell regeneration therapy to repair damaged tissue, and a hell of a lot more. —Condé Nast, Condé Nast Traveler, 22 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for regeneration

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

regeneration

noun

re·​gen·​er·​a·​tion ri-ˌjen-ə-ˈrā-shən 

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- 

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