the mathematical operation of reversing the direction of time. Symbol: T
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Origin of time reversal
First recorded in 1920–25
Words nearby time reversal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for time reversal
A mathematical operation on the description of a physical system in which the signs of variables representing time are reversed. Also called time conjugation See more at invariance.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.