time reversal


Definition of time reversal

: 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 Their secret weapon: a futuristic technology called time reversal. Jennifer Ouellette, Ars Technica, "Tenet marks Christopher Nolan’s return to high-concept sci-fi thrillers," 20 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'time reversal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of time reversal

1955, in the meaning defined above

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Time Traveler

The first known use of time reversal was in 1955

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Cite this Entry

“Time reversal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20reversal. Accessed 8 Jul. 2020.

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Rhyming Dictionary: Words that rhyme with time reversal

Britannica.com: Encyclopedia article about time reversal

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