two-dimensional

adjective

two-di·​men·​sion·​al ˈtü-də-ˈmen(t)-sh(ə-)nəl How to pronounce two-dimensional (audio)
 also  -dī-
1
: of, relating to, or having two dimensions
The most symmetric of the two-dimensional objects is the circle, because you can rotate it any amount and reflect it over any axis through its center, and it remains exactly the same …Tamara M. Davis
… consider a piece of paper, a two-dimensional object. Crumple the paper up. The more tightly it's compressed, the more chaotic are its folds, and the closer the two-dimensional surface moves to becoming a three-dimensional solid.John Briggs and F. David Peat
2
: lacking the illusion of depth : not three-dimensional
His violent, nakedly two-dimensional art can be difficult to capture in photographs, depending as it does in great measure on knotty textures and eccentric color schemes for effect.Publishers Weekly
3
: lacking depth of characterization
two-dimensional characters
two-dimensionality noun
plural two-dimensionalities
two-dimensionally adverb
This guide … covers thoroughly and in-depth the process of representing the human form two-dimensionally on paper. Heather Halliday

Examples of two-dimensional in a Sentence

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.
This newer technology stores information in the form of two-dimensional shapes like dots, squares and even rectangles, which store even more data than their one-dimensional counterparts. Benjamin Claeys, Forbes.com, 2 June 2025 Brunetti’s geometric characters, drawn with templates, French curves, and other old-school drafting tools, are defiantly two-dimensional. Air Mail, 31 May 2025 Rather than simply viewing two-dimensional data or information on a screen, a user can interact directly with an object, spin it around, and better visualize it in its full structure. Madison Dapcevich, Discover Magazine, 26 May 2025 Bao Bao Issey Miyake creates bags that transform from two-dimensional designs when laid flat into geometric three-dimensional forms when filled with items. Jean E. Palmieri, Footwear News, 29 May 2025 See All Example Sentences for two-dimensional

Word History

First Known Use

1863, in the meaning defined at sense 1

Time Traveler
The first known use of two-dimensional was in 1863

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Cite this Entry

“Two-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/two-dimensional. Accessed 17 Jun. 2025.

Kids Definition

two-dimensional

adjective
: of, relating to, or having two dimensions (as length and width)

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