Anti-aliasing

From Styleguide

anti-aliasing

Technical.

Programming or hardware techniques used to make computer graphics appear cleaner and smoother at the edges of objects. Anti-aliasing is used to reduce aliasing, the jagged edges on the outlines of in-game objects.

Example: The PlayStation 3’s improved anti-aliasing capabilities translate into an impressive level of visual detail.

Wrong: anti aliasing, antialiasing.

Also see: jaggies.