Help Wordnik hunt for a million missing words by backing our Kickstarter!


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The physiological process by which cells physically degrade due to age

from The Century Dictionary and Cyclopedia

  • n. In physiology, that property of living substance which enables it to make adjoining cells or structures develop adaptively or in harmony with itself.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. normal aging of cells


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.