four-dimensional

[ fawr-di-men-shuh-nl, fohr- ]
/ ˈfɔr dɪˈmɛn ʃə nl, ˈfoʊr- /

adjective Mathematics.

of a space having points, or a set having elements, which require four coordinates for their unique determination.

Origin of four-dimensional

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for four-dimensional

British Dictionary definitions for four-dimensional

four-dimensional


adjective

having or specified by four dimensions, esp the three spatial dimensions and the dimension of timea four-dimensional continuum
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