psychophysics

noun

psy·​cho·​phys·​ics ˌsī-kō-ˈfi-ziks 

plural in form but singular in construction

: a branch of psychology concerned with the effect of physical processes (such as intensity of stimulation) on the mental processes of an organism

psychophysicist

ˌsī-kō-ˈfi-zə-sist 

-ˈfiz-sist

noun

Word History

Etymology

International Scientific Vocabulary

First Known Use

1875, in the meaning defined above

Medical Definition

psychophysics

noun, plural in form but singular in construction

psy·​cho·​phys·​ics ˌsī-kō-ˈfiz-iks 

: a branch of psychology concerned with the effect of physical processes (as intensity of stimulation) on the mental processes and especially sensations of an organism