Quartan definition

kwôrtn
Occurring every fourth day, counting inclusively, or every 72 hours. Used of a fever.
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A malarial fever recurring every 72 hours.
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Occurring every fourth day, counting both days of occurrence.
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A type of malaria in which the paroxysms occur every fourth day.
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Occurring every fourth day, counting inclusively, or every 72 hours. Used of a fever.
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A malarial fever recurring every 72 hours.
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(medicine, historical) A fever whose symptoms recur every four days.
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(medicine) Recurring every four days; especially in designating a form of malaria with such symptoms.
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Other Word Forms

Noun

Singular:
quartan
Plural:
quartans

Origin of quartan

  • Middle English quartaine from Old French from Latin quārtāna from quārtānus of the fourth from quārtus fourth kwetwer- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Anglo-Norman quartaine, Old French quartaine, from Latin quartāna (short for febris quartana), noun use of feminine form of quartānus (“recurring every four days"), from quartus (“fourth").

    From Wiktionary