n.
Pronunciation: ˌ a-b ə - ' r ā -sh ə n
Function: noun
Etymology: Latin aberrare
Date: 1594
1 : the fact or an instance of being aberrant especially from a moral standard or normal state
2 : failure of a mirror, refracting surface, or lens to produce exact point-to-point correspondence between an object and its image
3 : unsoundness or disorder of the mind
4 : a small periodic change of apparent position in celestial bodies due to the combined effect of the motion of light and the motion of the observer
5 : an aberrant individual
– ab · er · ra · tion · al \ -shn ə l, -sh ə -n ə l \ adjective