Definition of psychohydraulics in English:

psychohydraulics

Pronunciation /ˌsʌɪkə(ʊ)hʌɪˈdrɒlɪks/

noun

historical Zoology Psychology
  • With singular or plural agreement. A psychohydraulic model of behaviour.

Origin

1950s; earliest use found in Public Opinion Quarterly. From psycho- + hydraulics.