decay constant

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noun Physics.

the reciprocal of the decay time.

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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 theory, decay time, Decca, Deccan, deccan hemp

How to use decay constant in a sentence

Before anti-vaxxers, there were anti-fluoriders: a group who spread fear about the anti-tooth decay agent added to drinking water.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
As a means of preventing tooth decay in those cities that do fluoridate, the practice certainly looks like a success.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
He not only gives out pain — he is in constant, unrelenting pain.
The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
It was like a constant assault, an almost stupefying catalogue of mindless racial insult and injury.
How Martin Luther King Jr. Influenced Sam Cooke’s ‘A Change Is Gonna Come’|Peter Guralnick|December 28, 2014|DAILY BEAST

The courage of this husband and father is a constant reminder of how much some sacrifice for exercising universal rights.
Behind Bars for the Holidays: 11 Political Prisoners We Want to See Free In 2015|Movements.Org|December 25, 2014|DAILY BEAST
A constant sense of easy balance should be developed through poising exercises.
Expressive Voice Culture|Jessie Eldridge Southwick
The General in command of the station was a feeble old man, suffering from senile decay.
The Red Year|Louis Tracy
This new nexus of print has grown up in the lifetime of four or five generations, and it is undergoing constant changes.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
His repeated coughing seemed a constant warning that at any moment he might be vanquished in the struggle for becoming silence.
The Soldier of the Valley|Nelson Lloyd
Here they are seldom abundant, but their constant presence is the most reliable urinary sign of the disease.
A Manual of Clinical Diagnosis|James Campbell Todd

Medical definitions for decay constant

decay constant

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