decay time

American  

noun

Physics.

1. the time required for a collection of atoms of a particular radionuclide to decay to a fraction of the initial number equal to 1/e, where e = 2.7182818 …, used as the base of natural logarithms.

---

Example Sentences

“And then the beauty about it is, you can control the attack, the rise, the sustain and the decay time. You actually create the note from the beginning.”

From New York Times

The winds must come from somewhere when they blow, There must be reasons why the leaves decay; Time will say nothing but I told you so.

From The New Yorker

If the GUT approach is right, the average decay time in question is far longer than the age of the universe itself.

From Economist

The following modifications are made to the CMS analysis: the branching fraction is updated to a more recent prediction63, 64 of ; the phase space model of the decay is changed to a more appropriate semi-leptonic decay model63; and the decay time bias correction for the , previously absent from the analysis, is now calculated and applied with a different correction for each category of the multivariate discriminant.

From Nature

Unlike more traditional retail businesses which have a longer decay time, when a smartphone manufacturer fails, it can be dramatic.

From Forbes