third dimension


Definition of third dimension

1 : thickness, depth also : a dimension that adds the effect of solidity to a two-dimensional system
2 : a quality that confers reality or lifelikeness night sounds that stick in the mind and give a third dimension to the memory— Adie Suehsdorf

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Other Words from third dimension

third-dimensional \ ˈthərd-​ də-​ˈmench-​nəl How to pronounce third-dimensional (audio) , -​ˈmen(t)-​shə-​nᵊl \ adjective

Examples of third dimension in a Sentence

Recent Examples on the Web This rare instance of the artist using texture and modeling to simulate a third dimension was partly inspired by the C&O Canal bulwarks near his Maryland home, according to an essay by Sarah Tanguy in the show’s brochure. Mark Jenkins, Washington Post, "In the galleries: Exhibits ‘Of This World’ and beyond," 22 Nov. 2019 Combining the images gives a semblance of a third dimension, allowing the researchers to better see how the bacteria use their flagella. Scientific American, "Nanomachines, Jellyfish Hugs and Hurricane Dorian From Space: The Week's Best Science GIFs," 30 Aug. 2019 The addition of a third dimension gives you more flexibility. Quanta Magazine, "Tinkertoy Models Produce New Geometric Insights," 5 Sep. 2018 To understand how these defects lift a flat surface into the third dimension, imagine a bug crawling on a sheet of paper. Quanta Magazine, "Scientists Conjure Curves From Flatness," 6 Jan. 2015 Foveros takes that into the third dimension, enabling even greater density and a reduced footprint. Peter Bright, Ars Technica, "Intel introduces Foveros: 3D die stacking for more than just memory," 12 Dec. 2018 Submarines will likely shake it up all over again by adding a third dimension underwater. Gordon Mah Ung, PCWorld, "World of Warships dives deep for new players, adding submarines to popular naval combat game," 18 Sep. 2018 Instead, the new measurements using the Doppler effect add a third dimension to the data, allowing scientists to construct a more complete picture of the magnetic-field structure that supports the plasma, according to the statement. Samantha Mathewson,, "Huge Solar 'Tornadoes' Don't Spin After All, Study Shows," 11 Apr. 2018 Well before any of this, Abbott’s readers will have guessed that they’re headed toward a fateful meeting between A Square and an interloper from Spaceland, the third dimension. John J. Miller, WSJ, "A Multidimensional Religious Story," 8 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'third dimension.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of third dimension

1846, in the meaning defined at sense 1

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Time Traveler for third dimension

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The first known use of third dimension was in 1846

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Last Updated

6 Dec 2019

Cite this Entry

“Third dimension.” The Dictionary, Merriam-Webster Inc., Accessed 6 December 2019.

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very cautious or careful

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