How to Use fourth dimension in a Sentence

fourth dimension

noun
  • In the same way, a fourth dimension gives a knot a lot more leeway — too much, in fact.
    — Quanta Magazine, 18 May 2022
  • An example from a string theorist gives a view of what a fourth dimension could be.
    — Tim Newcomb, Popular Mechanics, 30 Jan. 2023
  • Greene offers up a garden hose as a good example of what the fourth dimension looks like.
    — Tim Newcomb, Popular Mechanics, 30 Jan. 2023
  • This notion that time is just a fourth dimension is highly misleading.
    — Quanta Magazine, 16 May 2017
  • Albert Einstein believed space and time made up a fourth dimension.
    — Tim Newcomb, Popular Mechanics, 30 Jan. 2023
  • What would a fourth dimension — somehow perpendicular to our three — look like?
    — Quanta Magazine, 13 Sep. 2021
  • There’s no need to assume that the fourth dimension must already exist out into infinity.
    — Zeeya Merali, Discover Magazine, 29 Apr. 2015
  • In some world models, the element of time is integral, constituting a fourth dimension.
    — Sharon Goldman, Fortune, 20 May 2026
  • Einstein unified the three dimensions of space with the fourth dimension of time, and this spacetime will warp and stretch in the presence of a mass or equivalent distortion.
    — Jennifer Ouellette, Ars Technica, 20 Nov. 2020
  • This doesn't mean that five connected neurons occupy some mysterious fourth dimension.
    — Neuroskeptic, Discover Magazine, 18 July 2017
  • Not a physical entity, the fourth dimension could be felt as a type of transcendence, transmitted by the artist to a particular viewer through art.
    — William C. Agee, WSJ, 25 Dec. 2020
  • Marclay’s deconstruction and reconstruction of time does not reduce to a coherent theory of the fourth dimension.
    — Jonathon Keats, Forbes.com, 28 Mar. 2025
  • By 2014, plenty of people had worked on the game theory of cooperation, the authors wrote, but that canon tends to ignore the fourth dimension—time.
    — Adam Rogers, Wired, 1 July 2021
  • Now imagine turning all current static tests into dynamic tests with capabilities for stress testing by adding a fourth dimension to diagnostics—time.
    — WSJ, 24 June 2018
  • Matthew Salesses considers the impact of his wife’s passing, and other factors, on his experience as a human passing through the fourth dimension.
    — Sari Botton, Longreads, 13 May 2020
  • For the supremely dialectical artist, who liked to think in powers of two, who leaped from the second to the third to the fourth dimension and beyond—for someone like Bettina—of course there would be a sequel.
    — Katherine Rochester, Artforum, 1 Apr. 2026
  • And many artists, like Pablo Picasso and Marcel Duchamp, incorporated ideas of the fourth dimension into their work.
    — Quanta Magazine, 13 Sep. 2021
  • That fourth dimension of human interaction and imprint is something Fendi rightly observes is in rich supply in Miami.
    — Luke Leitch, Vogue, 29 Nov. 2022
  • The fourth dimension is about China’s economy, a vision for how to develop a Chinese economy that is far more self-reliant but still engaged in the global economy.
    — Mary Hui, Quartz, 19 Jan. 2022
  • Perhaps as a consequence, in the late 19th and early 20th centuries, the public became infatuated with the fourth dimension.
    — Quanta Magazine, 13 Sep. 2021
  • Many pairs of Seifert surfaces that are distinct from each other even if the knots are manipulated in three-dimensional space can be made equivalent if the knots are manipulated in a fourth dimension.
    — Konstantin Kakaes, Quanta Magazine, 22 Dec. 2022
  • The fourth dimension, which originated in the eighteenth century and was mathematically theorized in the nineteenth, both described diagrammable space and functioned as an expression of time.
    — Katherine Rochester, Artforum, 1 Apr. 2026
  • Though it was published a full decade before Einstein's theory of relativity, the book treats time as a fourth dimension, independent of the three dimensions of space, similar to how it is conceived in Einstein’s physics.
    — Quanta Magazine, 5 May 2020
  • Physicists have struggled to understand how the time of quantum mechanics can be reconciled with the notion of time as the fourth dimension in Einstein’s general theory of relativity, the current description of gravity.
    — Quanta Magazine, 31 Aug. 2021
  • Thus, Ellis’ model of time retains enough of the block universe to match with relativity’s predictions, but without needing to take Einstein’s drastic last step of assuming that the fourth dimension is solidified into the infinite future.
    — Zeeya Merali, Discover Magazine, 29 Apr. 2015
  • Improved efficiency of computing As a fourth dimension to achieving sustainability in data centers, an emerging approach involves drastically reducing the energy consumed for every unit of computation.
    — Gregor Henze, The Conversation, 21 Apr. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'fourth dimension.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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