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3D

American

[three-dee] / ˈθriˈdi /

Or 3-D

adjective

of, relating to, or representing something in three dimensions; three-dimensional.

3D movies.

noun

a three-dimensional form or appearance.

My dreams are always in 3D.

Etymology

Origin of 3D

An Americanism dating back to 1950–55

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.

See Examples For:

The mission involved each player having to build a shield on a plinth in front of them out of 3D jigsaw-type pieces which were buried in troughs in sawdust.

From BBC ● Oct. 22, 2026

Another investigation will use 3D heart tissue models to support the development of more efficient drug testing methods during future space missions.

From Science Daily ● Oct. 18, 2026

Outside of work, Kariem enjoyed creating products with his laser engraver and 3D printers, as well as cooking, watching anime and spending time with family and friends, according to his profile on the school's website.

From BBC ● Oct. 14, 2026

“Unlike ghost guns assembled from commercially sold unfinished parts, 3D printed ghost guns can be produced from plastic filament using consumer-grade equipment,” the suit said.

From Los Angeles Times ● Oct. 10, 2026

I decided to do something a little more 3D.

From "Clairboyance" by Kristiana Kahakauwila

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023