The body had started to decay.
A PET scan uses radioisotope decay by detecting the pair of annihilation photons emitted during the decay process.
You use synthetic in a sentence... why do you have to make ME do all the work!?
Radium-226 does not decay by beta decay. It decays by alpha decay to radon-222.
alpha decay, beta decay, and gamma radiation
gamma decay
The teeth will slowly decay if you do not brush your teeth.
the Hubble space telescope was observed to distance decay in two years.
"The radioactive decay of certain unstable isotopes is used to calculate the age of objects."
Biodegradable plastics decay faster than non-biodegradable plastics.
The dead deer started to decay.
"The corpse was incredibly delicate, after being ravaged by years of decay."
"if you don't take good care of your teeth, they will decay"
ask someone
"Growth and decay will be the topics covered in our math class next week."
Why are you blighting it? This is one of many examples for sentence use.
Signs of erosion and decay showed all through out the city.
Everything told of long use and quiet slow decay; the very bell-rope in the porch was frayed into a fringe, and hoary with old age.