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time reversal
noun
: a formal operation in mathematical physics that reverses the order in which a sequence of events occurs
Examples of time reversal in a Sentence
Recent Examples on the Web
In contrast, time interfaces can enable time reversal very quickly and with little energy, Alù says.
—IEEE Spectrum, 21 Mar. 2023
It is known as time reversal symmetry.
—Frank Wilczek, WSJ, 17 Nov. 2022
Currently, the most common way of performing such time reversal is through digital means, but this results in time, energy and memory demands.
—IEEE Spectrum, 21 Mar. 2023
Using lasers and Lego mini-figures, Anderson is studying time reversal to see how targeted sound vibrations might be useful in applications from medicine to the military to communications.
—Jennifer Ouellette, Ars Technica, 16 Dec. 2021
Then time reversal would be a good symmetry of nature!
—Sean Carroll, Discover Magazine, 20 Nov. 2012
One of the biggest benefits of the time-reversal machine and this technique, which the physicists call SATIN (signal amplification through time reversal), is improving the accuracy of atomic clocks.
—Joshua Hawkins, BGR, 18 July 2022
Experimental data illustrating waves being focused using time reversal, followed by demo of knocking over LEGO mini-figures.
—Jennifer Ouellette, Ars Technica, 16 Dec. 2021
Their secret weapon: a futuristic technology called time reversal.
—Jennifer Ouellette, Ars Technica, 20 Dec. 2019
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Word History
First Known Use
1954, in the meaning defined above
Dictionary Entries Near time reversal
Cite this Entry
“Time reversal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20reversal. Accessed 30 Dec. 2024.
More from Merriam-Webster on time reversal
Britannica.com: Encyclopedia article about time reversal
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