noun. too much or irregular thirst, commonly for extended periods of time. It might stem from organic causes or might be corresponding to psychological aspects. It might also be elicited by conditioning procedures.

POLYDIPSIA: "Michael is suffering from a condition known as polydipsia."
Cite this page: N., Pam M.S., "POLYDIPSIA," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/polydipsia/ (accessed April 5, 2020).