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time machine

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noun
a theoretical apparatus that would convey one to the past or future.
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Origin of time machine

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use time machine in a sentence

British Dictionary definitions for time machine

time machine

noun
(in science fiction) a machine in which people or objects can be transported into the past or the future
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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