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Noun: hyperspace  'hI-pu(r),speys
  1. (science fiction) a hypothetical space-time continuum used for faster-than-light travel
    "The spaceship entered hyperspace to reach distant galaxies"
     
  2. (mathematics) a space of more than three dimensions
    "Mathematicians use hyperspace concepts to solve complex problems"

Derived forms: hyperspaces

Encyclopedia: Hyperspace