0 present participle of decay
1 to become gradually damaged, worse, or less; to cause something to do this:
Floating in the dirty river were dead fish, already starting to decay.
The bacteria live on food particles and produce acid that decays the enamel on your teeth.
It's sad to watch a beautiful rose wither and decay in such a short time.
Plants and animals decay into the soil, replenishing the minerals and nutrients.
The dispersion relation (4.4) admits both growing and decaying modes.
Moreover, the decaying houses intimate the finite nature of our existence.
It is noted that the decaying profiles remain nearly flat, as they would for an optically thin gas.
