One entry found for
degeneration.
Main Entry:
de·gen·er·a·tion 
Pronunciation:
di-
jen-
-
r
-sh
n,
d
-
Function:
noun
1 : a lowering of power, vitality, or essential quality to a feebler and poorer kind or state
2 a : a change in a tissue or an organ resulting in lessened activity or usefulness <kidney
degeneration in old age>
b : a condition marked by degeneration of physical parts (as organs) present in related forms <tapeworms exhibit extreme
degeneration>