time barrier
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English
[edit]Noun
[edit]time barrier (plural not attested)
- (science fiction) A barrier or obstacle preventing time travel, especially one resulting from technological limitations.
Usage notes
[edit]- Usually referred to as something to be broken: to "break the time barrier" is to achieve time travel.
References
[edit]- Jesse Sheidlower, editor (2001–2024), “time barrier, n.”, in Historical Dictionary of Science Fiction.