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blackwater fever

noun Pathology.
  1. a severe form of malaria characterized by kidney damage and hemoglobinuria resulting in urine that is dark red or black.
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Origin of blackwater fever

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for black-water fever

black-water fever

noun
  1. vet science a form of babesiosis seen in cattle, deer, bison, water buffalo, African buffalo, and reindeer; characterized by fever, depression, jaundice, dark red-black discolouration of the urine, anaemia, and deathAlso called: Texas fever
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blackwater fever

noun
  1. med a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
black-water fever in Medicine

blackwater fever

(blăk′wô′tər)
n.
  1. A serious, often fatal complication of falciparum malaria, characterized by the passage of bloody, dark red, or black urine.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.