three-dimensional

adjective

three-di·​men·​sion·​al ˈthrē-də-ˈmench-nəl How to pronounce three-dimensional (audio)
-ˈmen(t)-shə-nᵊl,
 also  -dī-
1
: of, relating to, or having three dimensions
2
: giving the illusion of depth or varying distances
used especially of an image or a pictorial representation on a two-dimensional medium when this illusion is enhanced by stereoscopic means
3
: describing or being described in well-rounded completeness
a three-dimensional analysis of multiple historical processes L. L. Snyder
4
: true to life : lifelike
three-dimensionality noun

Word History

First Known Use

1872, in the meaning defined at sense 1

Time Traveler
The first known use of three-dimensional was in 1872

Dictionary Entries Near three-dimensional

Cite this Entry

“Three-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-dimensional. Accessed 26 Nov. 2022.

Kids Definition

three-dimensional

adjective

1
: of, relating to, or having three dimensions (as length, width, and height)
2
: giving the appearance of depth or varying distances

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