from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Biology Regression of a specialized cell or tissue to a simpler, more embryonic, unspecialized form. Dedifferentiation may occur before the regeneration of appendages in plants and certain animals and in the development of some cancers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The loss or reversal of differentiation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the loss of specialization in form or function
de- + differentiation (Wiktionary)