definition of
aberration

[1] #1 aberration n. [aberrance, aberrancy, deviance] a state or condition markedly different from the norm. wn

[2] #2 aberration n. a disorder in one's mental state. wn

[3] #3 aberration n. [distortion, optical aberration] an optical phenomenon resulting from the failure of a lens or mirror to produce a good image. wn