time_machine has definitions from the field of physics
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[ noun ] (physics) a science fiction machine that is supposed to transport people or objects into the past or the future

Used in print

(Nathan Rapport, ""I've Been Here before!"...)

It is not through space nor time that the time_machine most approved by science_fiction must travel for a visit to the permanent prehistoric past , or the ever existent past fantasy future .

(Frank Getlein and Harold C. Gardiner, S.J., Movies,...)

Of the two , Porter is justly the better_known , for he went far beyond the vital finding of fiction for films to take the first_step toward fashioning a language of film , toward making the motion_picture the intricate , efficient time_machine that it has remained since , even in the most inept hands .

Related terms

machine

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