greenscreen noun 2verb 2forms 3 noun2 •The alternate version of bluescreen, having the background green instead of blue. •The display of an IBM 3270 or similar monochrome monitor. verb2 •To film a subject in front of a greenscreen. •To remove the background from a video and replace it with a different image or scene; to composite.In this tutorial I will be showing you how to do greenscreening in Blender’s Compositor. — 2012 formsgreenscreened · greenscreening · greenscreens