Search Result for "optical aberration":
Wordnet 3.0

NOUN (1)

1. an optical phenomenon resulting from the failure of a lens or mirror to produce a good image;
[syn: aberration, distortion, optical aberration]



WordNet (r) 3.0 (2006):

optical aberration
    n 1: an optical phenomenon resulting from the failure of a lens
         or mirror to produce a good image [syn: aberration,
         distortion, optical aberration]