} } De cay time | Define De cay time at Dictionary.com

follow Dictionary.com

How Well Do You Know English Slang?

decay time

noun, Physics.
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.
Compare e (symbol) (def 1).
Also called mean life.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for decay time

Few English speakers likely know this word

Word Value for de

Scrabble Words With Friends

Nearby words for de cay time