quartan

adjective
quar·​tan | \ˈkwȯr-tᵊn \

Definition of quartan 

(Entry 1 of 2)

: occurring every fourth day reckoning inclusively specifically : recurring at approximately 72-hour intervals a quartan ague

quartan

noun

Definition of quartan (Entry 2 of 2)

: a quartan fever

First Known Use of quartan

Adjective

14th century, in the meaning defined above

Noun

14th century, in the meaning defined above

History and Etymology for quartan

Adjective

Middle English quarteyn, from Anglo-French (fevre) quartaine quartan fever, from Latin (febris) quartana, from quartanus of the fourth, from quartus

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The first known use of quartan was in the 14th century

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More Definitions for quartan

quartan

adjective
quar·​tan | \ˈkwȯrt-ᵊn \

Medical Definition of quartan 

(Entry 1 of 2)

: occurring every fourth day reckoning inclusively specifically : recurring at approximately 72-hour intervals quartan chills and fever — compare tertian

quartan

noun

Medical Definition of quartan (Entry 2 of 2)

: an intermittent fever that recurs at approximately 72-hour intervals especially : malariae malaria

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