- a theoretical apparatus that would convey one to the past or future.
Origin of time machine
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for time machine
He got into his time-machine and set out for home in the twentieth century.A Traveler in Time
Having once got his seat in his time-machine Wells has never abandoned it.Six Major Prophets
Edwin Emery Slosson
But now you must get to work, and build us another 'time-machine', so that we can hunt him down.
The "time-machine" came to rest with a soft jar and a crashing of broken bushes that was audible through the sound pickup.
Then the whole interior of the "time-machine" was afire; there was barely time for Hradzka to leap through the open door.
- (in science fiction) a machine in which people or objects can be transported into the past or the future