[psy.cho.phys.ics] n pl but sing in constr [ISV] (1878): a branch of psychology concerned with the effect of physical processes (as intensity of stimulation) on the mental processes of an organism -- psy.cho.phys.i.cist n
PSYCHOPHYSICS
Meaning of PSYCHOPHYSICS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012