psychometrics

noun

psy·​cho·​met·​rics ˌsī-kə-ˈme-triks How to pronounce psychometrics (audio)
plural in form but singular in construction
: the psychological theory or technique of mental measurement

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of psychometrics was in 1914

Browse Nearby Words

Cite this Entry

“Psychometrics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychometrics. Accessed 10 Sep. 2025.

Medical Definition

psychometrics

noun, plural in form but singular in construction
psy·​cho·​met·​rics -ˈme-triks How to pronounce psychometrics (audio)
1
: a branch of clinical or applied psychology dealing with the use and application of mental measurement
2
: the technique of mental measurements : the use of quantitative devices for assessing psychological trends

More from Merriam-Webster on psychometrics

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!