Search Result for "just-noticeable difference":
Wordnet 3.0

NOUN (1)

1. (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected;
[syn: just-noticeable difference, jnd]



WordNet (r) 3.0 (2006):

just-noticeable difference
    n 1: (psychophysics) the difference between two stimuli that
         (under properly controlled experimental conditions) is
         detected as often as it is undetected [syn: just-
         noticeable difference, jnd]