noun plural but singular in construction Etymology: International Scientific Vocabulary Date: 1878 a branch of psychology concerned with the effect of physical processes (as intensity of stimulation) on the mental processes of an organism, psychophysicist noun
PSYCHOPHYSICS
Meaning of PSYCHOPHYSICS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012