meaning of quartan
1. Of or pertaining to the fourth; occurring every fourth day, reckoning inclusively; as, a quartan ague, or fever.
2. An intermittent fever which returns every fourth day, reckoning inclusively, that is, one in which the interval between paroxysms is two days.
3. A measure, the fourth part of some other measure.
4. occurring every fourth day especially the fever and weakness of malaria; "quartan
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