- excessive thirst.
Origin of polydipsia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- pathol excessive thirst
C18: New Latin, from poly- + -dipsia, from Greek dipsa thirst
Word Origin and History for polydipsia
Online Etymology Dictionary, © 2010 Douglas Harper
- Excessive or abnormal thirst.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.