Dictionary.com
Thesaurus.com
Showing results for relaxation time. Search instead for regulation+time.

relaxation time

American  

noun

Physics.

  1. the time that it takes for an exponentially decaying quantity, as radioactive particles or transient electrical currents, to decrease to 36.8 percent of its initial value.

Etymology

Origin of relaxation time

First recorded in 1970–75

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.