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
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
"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
“How are you?” asks the visitor from the third dimension.
From "Cosmos" by Carl Sagan
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
