Definition of psychometer in US English:

psychometer

noun

  • 1An instrument which supposedly detects and measures mental activity, or gives an assessment of a person's psychological state, temperament, etc.; (occasionally) something which serves to indicate a person's spiritual or psychological state.

  • 2Psychometrist. Now historical and rare.

Origin

Mid 19th century. From psycho- + -meter.

Pronunciation

psychometer

/ˌsʌɪkəʊˈmiːtə/