tertian

¹ter·tian

adj \ˈtər-shən\

Definition of TERTIAN

: recurring at approximately 48-hour intervals —used of malaria

Origin of TERTIAN

Middle English tercian, from Anglo-French, from Latin tertianus, literally, of the third, from tertius third — more at third

First Known Use: 14th century

Rhymes with TERTIAN

Mercian