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3D

American  
[three-dee] / ˈθriˈdi /
Or 3-D

adjective

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

    3D movies.


noun

  1. 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.

"We have been able to produce really high-resolution 3D maps, which, from a remote sensing perspective, is what's unique and novel about it. Grand Canyon's caves have never been mapped in 3D like this."

From Science Daily • Jun. 2, 2026

Fifa has also expanded 'Real-time 3D Recreation' to make 'line-of-sight' judgements for offsides quicker and clearer.

From BBC • Jun. 2, 2026

"For the first time, we have met the thermal budget of monolithic 3D integration using standard single-crystalline silicon and delivered unprecedented performance."

From Science Daily • May 30, 2026

Before that, in 2022, Parsons shared a short film to his YouTube channel that he had made with 3D software Blender.

From Barron's • May 28, 2026

“So these loops are elevation lines. A topo map shows the contours of the land, from the highest mountain peak to the lowest valley. Think of it as 3D on a 2D piece of paper.”

From "Clairboyance" by Kristiana Kahakauwila

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