third dimension

American  

noun

1. the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.

2. something that heightens the reality, vividness, or significance of a factual account, sequence of happenings, etc..

   The illustrations added a third dimension to the story.

---

third dimension British  

noun

1. the additional dimension by which a solid object may be distinguished from a two-dimensional drawing or picture of it or from any planar object

---

Etymology

Origin of third dimension

First recorded in 1855–60

Example Sentences

See Examples For:

third dimension

But, like others, the researchers found that the electrons could escape up and out of the lattice, through the third dimension.

From Science Daily ● Nov. 8, 2023

But some of her recent work pushes into the third dimension, incorporating rippled clay that looks like rumpled fabric.

From Washington Post ● Apr. 21, 2023

"There is this third dimension of space which offers so much more exciting information and perspective that we tend to ignore."

From Salon ● Dec. 25, 2022

Culture and sport, I think it is safe to say, have been joined by a third dimension when it comes to the defining characteristics of Welsh identity.

From BBC ● Oct. 17, 2022

You need a tool to help you see it, but that third dimension is there, too tiny to see under normal conditions.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife