third dimension
Americannoun
-
the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.
-
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.
noun
Etymology
Origin of third dimension
First recorded in 1855–60
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 I just started writing songs, and I found that it was like a third dimension, sort of “Twilight Zone”-style, that I could go to and exit my body entirely.
From Los Angeles Times • Dec. 1, 2025
Van der Waals materials are made up of strongly bonded 2D layers that are bound in the third dimension through weaker van der Waals forces.
From Science Daily • May 1, 2024
"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
Thus, intriguingly, the color is flat but the lines hint at a third dimension.
From Washington Post • Dec. 16, 2021
His two- dimensional universe must have been warped, bent or curved through a mysterious third dimension.
From "Cosmos" by Carl Sagan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
