One of the mysteries of the English language finally explained.
Absence of bile pigments in the urine in certain types of jaundice, especially that associated with chronic haemolytic anaemias. In early use also: a disorder giving rise to this, specifically hereditary spherocytosis (now historical).
Early 20th century; earliest use found in The Lancet. From ancient Greek ἄχολος lacking gall, in Hellenistic Greek also deficient in bile + -uria, probably after French acholurie.
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