: a dimension in addition to length, breadth, and depth
specifically: a coordinate in addition to three rectangular coordinates especially when interpreted as the time coordinate in a space-time continuum
2
: something outside the range of ordinary experience
fourth-dimensionaladjective
Example Sentences
Recent Examples on the WebIn the same way, a fourth dimension gives a knot a lot more leeway — too much, in fact.Quanta Magazine, 18 May 2022 The innovation also adds a fourth dimension: emotional insight. Tara Mcnamara, Variety, 3 Mar. 2022 And many artists, like Pablo Picasso and Marcel Duchamp, incorporated ideas of the fourth dimension into their work.Quanta Magazine, 13 Sep. 2021 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 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 What would a fourth dimension — somehow perpendicular to our three — look like?Quanta Magazine, 13 Sep. 2021 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 See More