Noun
jaggies pl (plural only)
(computer graphics, informal) Jagged artifacts in raster graphics, such as those caused by resizing a bitmap image without preserving its aspect ratio.
Anti-aliasing smooths out jagged lines by surrounding the jaggies with transparent pixels to simulate the appearance of fractionally-filled pixels. Source: Internet
In realtime computer graphics, especially gaming, anti-aliasing is used to remove jaggies created by the edges of polygons and other lines entirely. Source: Internet