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.
spare timeRead more in this article about some frequently asked questions and fun facts related to our definitions.
Super Spooky Night Time WordsRead more in this article about some frequently asked questions and fun facts related to our definitions.
- decay chain,
- decay constant,
- decay series,
- decay theory,
- deccan hemp,
Also called mean life.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019