decay constant
noun Physics.
the reciprocal of the decay time.
Also called
decay rate,
disintegration constant.
Origin of decay constant
First recorded in 1930–35
Words nearby decay constant
decating,
decatur,
decatyl alcohol,
decay,
decay chain,
decay constant,
decay series,
decay theory,
decay time,
decca,
deccan
Medical definitions for decay constant
decay constant
n.
The constant ratio for the number of atoms of a radionuclide that decay in a given period of time compared with the total number of atoms of the same kind present at the beginning of that period.
disintegration constant radioactive constant