n :  the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object <our two eyes are as a rule only about 2¼ inches apart; yet the small caused by the slightly different angle of vision enables us to see three-dimensional, plastic images and to judge distances accurately -Erwin Raisz>  .
 
 
 
Similar sounding terms:  hy·per·lex·ia  para·lex·ia 
 
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