This shows grade level based on the word's complexity.
3D
or 3-D
[ three-dee ]
/ ˈθriˈdi /
Save This Word!
This shows grade level based on the word's complexity.
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
QUIZ YOURSELF ON HAS VS. HAVE!
Do you have the grammar chops to know when to use “have” or “has”? Let’s find out with this quiz!
Question 1 of 7
My grandmother ________ a wall full of antique cuckoo clocks.
Meet Grammar CoachImprove Your Writing

Origin of 3D
An Americanism dating back to 1950–55
Words nearby 3D
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use 3D in a sentence
Britain, meanwhile, has deployed an E-3D early warning aircraft over Poland and Romania to monitor Ukraine.
Obama’s Nuclear Summit Aimed to Stop Terrorists. Now Putin’s the Issue.|Christopher Dickey, Jamie Dettmer, Nadette De Visser|March 25, 2014|DAILY BEAST