three-dimensional

adjective

three-di·​men·​sion·​al ˈthrē-də-ˈmen(t)-sh(ə-)nəl How to pronounce three-dimensional (audio)
 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 processesL. L. Snyder
4
: true to life : lifelike
three-dimensionality noun

Examples of three-dimensional in a Sentence

an actress who has been acclaimed for her three-dimensional portrayal of the celebrated monarch
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The camera needed to get ahead of them to grab frontal, more three-dimensional views of the chase. Sarah Shachat, IndieWire, 21 Mar. 2025 By comparing the data from each antenna, the team was able to reconstruct a three-dimensional image of the lightning, mapping out the path of the bolts. Thomas G. Moukawsher, Newsweek, 21 Mar. 2025 But if photographs are flat, containing only the illusion of depth, Whitten’s paintings are three-dimensional. Alex Greenberger, ARTnews.com, 20 Mar. 2025 Wynn-Williams’ depiction of Sandberg is certainly three-dimensional. Michael Hiltzik, Los Angeles Times, 20 Mar. 2025 See All Example Sentences for three-dimensional

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

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Cite this Entry

“Three-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-dimensional. Accessed 2 Apr. 2025.

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

More from Merriam-Webster on three-dimensional

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