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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.

See Examples For:

He uses a 3D scanner to assess his patients' teeth, and can see the wear over time.

From BBC Sep. 12, 2026

So far, A.I. boosters have been quick to take credit when their models hit a new benchmark in email-writing or 3D modeling.

From Salon Sep. 12, 2026

Lauren Truslow, CEO of 3D Enviro, a Virginia company that does identification and abatement of hazardous materials, said the lack of a decision on TPS has been stressful and costly.

From Los Angeles Times Sep. 10, 2026

Everything has been designed and built in-house, using recycled materials to reduce costs and environmental impact, produced using 3D printers that thump away constantly in the background.

From Barron's Sep. 9, 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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