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

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 Much like wallpapering, mirroring, or painting a ceiling, this trend incorporates the fifth wall to really complete a room by creating depth and intrigue from above—except this time, in the third dimension. Hadley Mendelsohn, House Beautiful, 14 Apr. 2022 Pats of fresh, cold butter, which your teeth slice into with satisfaction, add an optional (and recommended) third dimension to the sandwich. Bill Addison, Los Angeles Times, 7 Apr. 2022 Those shortcomings merely underscore the video-game roots, leaving trifles like adding a third dimension to the characters as unnecessary distractions. Brian Lowry, CNN, 18 Feb. 2022 So the third dimension is time, which cannot exist without space. Françoise Mouly, The New Yorker, 17 Feb. 2022 Thus, intriguingly, the color is flat but the lines hint at a third dimension. Washington Post, 17 Dec. 2021 Besides the basic business plan of taking something that has worked in the past and doing it again and again — the very definition of CBS, some would say, but certainly not unique to that network — franchising adds a sort of third dimension. Robert Lloyd, Los Angeles Times, 6 Oct. 2021 In 1884, Edwin Abbott wrote the popular satirical novel Flatland, which used two-dimensional beings encountering a character from the third dimension as an analogy to help readers comprehend the fourth dimension. Quanta Magazine, 13 Sep. 2021 Bill taking The Kid under his wing feels like an idea not fully amplified, just as the maybe-romance between Bill and La Linda lacks a third dimension. Michael Phillips, chicagotribune.com, 8 Sep. 2021 See More

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.

First Known Use of third dimension

1846, in the meaning defined at sense 1

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

Dictionary Entries Near third dimension

third-degree burn

third dimension

third estate

See More Nearby Entries 

Statistics for third dimension

Last Updated

24 Apr 2022

Cite this Entry

“Third dimension.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20dimension. Accessed 16 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Eponyms: Words Named After People

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!