psychophysics

noun

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

Word History

Etymology

International Scientific Vocabulary

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of psychophysics was in 1875

Cite this Entry

“Psychophysics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychophysics. Accessed 31 Mar. 2025.

Medical Definition

psychophysics

noun, plural in form but singular in construction
: 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

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