四よっ日か熱ねつMeanings1nounquartan fever; quartan malariamedicineMedical term for a fever that recurs every four days, classically associated with quartan malaria caused by Plasmodium malariae.四よっ日か熱ねつは三みっ日か熱ねつよりも稀まれなマラリアの型かたです。Quartan fever is a rarer type of malaria than tertian fever.
