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four-dimensional

[fawr-di-men-shuh-nl, fohr-]
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adjective Mathematics.
  1. of a space having points, or a set having elements, which require four coordinates for their unique determination.
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Origin of four-dimensional

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for four-dimensional

Contemporary Examples

Historical Examples

  • You must remember we're working in a four-dimensional medium.

    Empire

    Clifford Donald Simak

  • Neither has matter nor life any inclination or potency to behave in a four-dimensional manner.

    The Mystery of Space

    Robert T. Browne

  • Apparently sleep is unnecessary in the higher—the four-dimensional—body.

    Day and Night Stories

    Algernon Blackwood

  • "Well, as far as we know, we live in a four-dimensional universe," the colonel started.

    Crossroads of Destiny

    Henry Beam Piper

  • Our material universe is merely the intersection of tangled world lines of geodesics in a four-dimensional continuum.


British Dictionary definitions for four-dimensional

four-dimensional

adjective
  1. having or specified by four dimensions, esp the three spatial dimensions and the dimension of timea four-dimensional continuum
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012