Definition of passionometer in English:

passionometer

noun

rare
  • An (especially imaginary) instrument used to measure passion or emotion.

Origin

Mid 18th century; earliest use found in Horace Walpole (1717–1797), author, politician, and patron of the arts. From passion + -ometer.

Pronunciation

passionometer

/ˌpaʃəˈnɒmɪtə/