[hi″po-sĭ-tra-tu´re-ah] excretion of urine containing an abnormally small amount of citrate; an important cause of the formation of oxalate urinary calculi.
hy·po·cit·ra·tur·i·a
(hī'pō-si'trā-tyū'rē-ă), Abnormally low concentration of citrate in the urine.