A physiologic condition, perhaps caused by hypertonicity of body fluids, insufficient to initiate drinking but at times sufficient to sustain drinking when started; loosely, oligodipsia. SYN: insensible thirst, subliminal thirst. [hypo- + G. dipsa, thirst]
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hy·po·dip·sia (hi″po-dipґse-ə) [hypo- + dipsia] abnormally diminished thirst. Cf. subliminal thirst, under thirst. hypodipsic adjMedical dictionary. 2011.