资料来源 : Webster's Revised Unabridged Dictionary (1913)

Poluria \Pol`*u"ri*a\, n. [NL. See {Poly-}, and {Urine}.] (Med.)
   A persistently excessive flow of watery urine, with low
   specific gravity and without the presence of either albumin
   or sugar. It is generally accompanied with more or less
   thirst.