third dimension

noun

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

Keep scrolling for more

Other Words from third dimension

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

Examples of third dimension in a Sentence

Recent Examples on the Web Flying vehicles portend the elevation of terrestrial military missions—and entire commercial industries—into the third dimension. Will Roper, Wired, "Flying Cars Could Take Off Soon, If We Let the Military Help," 27 Apr. 2020 This work added a third dimension to what was previously seen as just surface slicks. Fox News, "'Invisible oil’ discovery shows BP Deepwater Horizon spill was larger than previously thought," 13 Feb. 2020 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

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.

See More

First Known Use of third dimension

1846, in the meaning defined at sense 1

Keep scrolling for more

Learn More about third dimension

Time Traveler for third dimension

Time Traveler

The first known use of third dimension was in 1846

See more words from the same year

Statistics for third dimension

Cite this Entry

“Third dimension.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20dimension. Accessed 25 Jan. 2021.

Comments on third dimension

What made you want to look up third dimension? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!