1. a fictional space-time continuum used in science fiction for faster-than-light travel
Usage: science fiction
2. a mathematical space having more than three dimensions
Usage: mathematics; physics

Examples

• The spaceship jumped into hyperspace to reach the distant galaxy.
• Star Wars popularized the concept of hyperspace travel.
• The mathematician studied geometric properties in hyperspace.
• Physicists use hyperspace models to understand string theory.
• The crew prepared for their hyperspace jump to the next system.
• In four-dimensional hyperspace, objects behave differently than in our world.