1. the processes of renewal, regrowth, or restoration of something that has been damaged or lost
Usage: plural of regeneration
2. the biological processes by which organisms regrow lost or damaged body parts
Usage: biology; plural of regeneration

Examples

• The salamander’s regenerations of lost limbs fascinated the biology students.
• Urban regenerations have transformed many old industrial areas into modern neighborhoods.
• The forest showed signs of natural regenerations after the wildfire.
• Scientists study tissue regenerations to develop new medical treatments.
• The city’s economic regenerations brought new jobs and investment.
• Liver regenerations in mammals are remarkably efficient processes.