From Longman Dictionary of Contemporary English3-D3-D (also three-D) /ˌθriː ˈdiː◂/ adjective AMFTCPa 3-D film or picture is made so that it appears to have length, width, and depth, and therefore the people and things in it look much more real. 3-D is short for ‘three dimensional’. —3-D noun [uncountable] a film in 3-D
