Dictionary.com

3D

or 3-D

[ three-dee ]
/ ˈθriˈdi /
Save This Word!

adjective
of, relating to, or representing something in three dimensions; three-dimensional: 3D movies.
noun
a three-dimensional form or appearance: My dreams are always in 3D.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of 3D

An Americanism dating back to 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use 3D in a sentence

FEEDBACK