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.
In one test called the Visual Object Learning Task, for example, they were shown three-dimensional figures, instructed to memorize them, and then required to pick them out of a later, larger assortment of shapes. Jeffrey Kluger, TIME, 29 Dec. 2024 The artist over her long career brought to bear her early training as a set designer in spare, three-dimensional works that, on close looking, frequently evoked female anatomy. News Desk, Artforum, 26 Dec. 2024 Bubble wrap was supposed to be three-dimensional wallpaper. Charlie Eccleshare, The Athletic, 26 Dec. 2024 The scans produce detailed 2D images that a computer can combine to form three-dimensional (3D) images. Anna Giorgi, Verywell Health, 25 Dec. 2024 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

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 4 Jan. 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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