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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:

Some parents say they prefer this method to a 3D model, because they can get more detail from audio description of the image than from physical touch.

From BBC 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

Note: WSJ interpretation that shows a 2D horizontal cross-section of OpenAI’s 3D simulation.

From The Wall Street Journal Sep. 8, 2026

I let go of the blaster and push my 3D glasses to the top of my head.

From "What If It's Us" by Becky Albertalli and Adam Silvera

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