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ol·i·gur·ic -ik adj
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n.
the production of an abnormally small volume of urine. This may be a result of copious sweating associated with intense physical activity and/or hot weather. It can also be due to kidney disease, retention of water in the tissues (see oedema), loss of blood, diarrhoea, or poisoning.
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ol·i·gu·ria (ol″ĭ-guґre-ə) [oligo- + -uria] diminished urine production and excretion as compared with fluid intake, usually defined as less than 500 mL per 24 hours. Called also hypouresis. oliguric adjMedical dictionary. 2011.