3D

or 3-D

[ three-dee ]

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.

Word History and Origins

Origin of 3D¹

An Americanism dating back to 1950–55

Example Sentences

Despite great advances in RNA analysis, linking RNA data to its spatial context has long been a challenge, especially in intact 3D tissue volumes.

From Science Daily

Although many excavation projects create digital 3D models of what they uncover, archaeologists need new ways to meaningfully use those data.

From Science Daily

"To avoid a full theater of people singing along, I got tickets to a 3D screening of 'Wicked' tonight. Infinitely more excited," wrote another fan.

From Salon

This footage was then used with 3D pose estimation software, which tracks and records movements via a 2D object detector and pose estimator.

From Science Daily

The inner side of the section represents the exposed surface of the tissue inside -- a 3D footprint of the tissue in that specific moment, with embedded proteins and molecules.

From Science Daily