four-dimensional

• 4-dimensional

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four-dimensional (not comparable)

1. (algebraic geometry) Having four dimensions; being measurable along four mutually perpendicular axes.
2. (physics) Relating to the four dimensions of space-time (three spatial dimensions with the addition of time as the fourth).

   We live in a four-dimensional universe.

• four-dimensionalism
• four-dimensionally

• hyperspace
• multidimensional
• n-dimensional
• tesseract