fourth dimension

NOUN

time in relativity theory

Synonyms

WEAK

continuum four-dimensional space space-time space-time continuum time time-space

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And, because of the magic of light, the fourth dimension of time is constantly added.

From Seattle Times • Feb. 2, 2024

Now, imagine a fourth dimension in which you can actually listen to that data.

From Science Daily • Oct. 30, 2023

Time melds a fourth dimension to the three we identify as essential to understanding space.

From Los Angeles Times • Nov. 12, 2022

The fourth dimension offers unlimited space in which to unravel even the most complicated knot.

From Washington Post • May 22, 2020

“Ew, no. The fourth dimension is time. This thing has been here for two weeks!”

From "Goodbye Stranger" by Rebecca Stead