hyperspace

(pər spās′)

noun

  1. Math. space of four or more dimensions
  2. any theoretical or fictional space, dimension, location, etc. thought of as affording preternatural or surreal experiences or capabilities

See hyperspace in American Heritage Dictionary 4

noun
  1. Space that has four or more dimensions.
  2. A fictional space in which laws of physics may be circumvented allowing faster-than-light travel or time travel.

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