最さい小しょう可か知ち差さ異いさいしょうかちさいMeanings1nounjust-noticeable difference; JNDTechnical term in psychophysics for the smallest detectable difference between two stimuli. Used in academic and scientific contexts.心しん理り物ぶつ理り学がくでは、最さい小しょう可か知ち差さ異いは感