Definition of phreno-mesmerism in US English:

phreno-mesmerism

noun

historical
  • The supposed stimulation of the phrenological organs by mesmerism; belief in this phenomenon.

Origin

Mid 19th century. From phreno- + mesmerism. Compare slightly earlier phreno-magnetism.

Pronunciation

phreno-mesmerism

/ˌfriːnəʊˈmɛzmərɪz(ə)m/