A fictional or theoretical space with more dimensions than our normal three-dimensional world, used in science fiction for faster-than-light travel.
'Hyper-' from Greek 'hyper' (over, beyond) + 'space' (from Latin 'spatium'). It's a science fiction term that gained popularity through stories and games to describe dimensions beyond ordinary reality.
Hyperspace became mainstream through Star Wars, but mathematicians were already imagining four-dimensional space in the 1800s—science fiction essentially made abstract mathematics visually exciting for regular people.
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