an·ti·a·li·as·ing 
(ăn′tē-ālē-ə-sĭng, -ālyə-, ăn′tī-)
(ăn′tē-ālē-ə-sĭng, -ālyə-, ăn′tī-)n.
In computer graphics, the process of removing or reducing the jagged distortions in curves and diagonal lines so that the lines appear smooth or smoother.