I think frustum culling is the technical term, although most people aren't familiar with it.
I think people are more familiar with the term "clipping" for objects popping in and out of view. You could use "edge of screen clipping" either in the description or in the title next to the actual term, so that people understand it better at first sight without having to look at the description.
Desktop : Intel Core i5-750, 4GB RAM, ATi HD5870, Windows 7 64bit
Laptop : Intel C2D-P8600, 4GB RAM, nvidia 9700M-GT, Windows Vista 64bit
Displaying Zalman Trimon 22" and 106" Passive polarised dual projector setup.
Watch my Stereo3D gaming video footage viewtopic.php?f=3&t=2020