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

Britain, meanwhile, has deployed an E-3D early warning aircraft over Poland and Romania to monitor Ukraine.

From The Daily Beast