3D

Anything that's 3D has depth and solidity. If you can pick something up, whether it's your phone, a feather, or your little brother, it's definitely 3D!

A 3D object is anything that can be rotated in space, including a planet, a piece of paper, or a human being. 3D is short for three-dimensional, A 3D object is anything that can be rotated in space, including a planet, a piece of paper, or a human being. Rather than a flat, two-dimensional plane, 3D objects have depth. 3D is short for "three-dimensional," or "three dimensions," and you can use this shorthand as an adjective or a noun: "Put these funky glasses on and you can watch the movie in 3D!"

Definitions of 3D

1. noun

   having a three-dimensional form or appearance
   synonyms: 3-D, three-D

   type of:

   appearance

   a mental representation
2. noun

   a movie with images having three dimensional form or appearance
   synonyms: 3-D, three-D

   type of:

   film, flick, motion picture, motion-picture show, movie, moving picture, moving-picture show, pic, picture, picture show

   a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement