four dimensional

/ˌfɔr daɪˈmɛnʃənəl/
adjective
  1. Relating to a space or concept that has four dimensions, typically the three spatial dimensions plus time, as in physics.
    • The mathematician explained how a four-dimensional cube, or tesseract, is constructed.
    • Some theories suggest that our universe is actually four-dimensional, with time as the fourth dimension.
    • In physics, a four-dimensional spacetime model includes both space and time.
  2. Describing something that is very complex, advanced, or beyond ordinary understanding.
    • The chess grandmaster's strategy seemed almost four-dimensional to his opponents.
    • The movie's plot was so layered it felt like a four-dimensional puzzle.
    • Her four-dimensional thinking allowed her to solve problems that baffled everyone else.
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