tertian
/ˈtɜːʃən/adjective
attrib.
1- Medicine denoting a form of malaria causing a fever that recurs every second day【医】每三日（复发）的, 间日（复发）的：
tertian fever.
间日热。
1.1
- The common benign tertian malaria (or tertian ague) is caused by infection with Plasmodium vivax or P. ovale, and malignant tertian malaria is caused by P. falciparum.常见的良性间日疟疾由疟原虫原质团或卵形疟原虫感染所致, 而恶性的间日疟疾由恶性疟原虫, 镰状疟原虫引起。比较QUARTAN.
词源
late Middle English （fever） terciane, from Latin （febris） tertiana, from tertius 'third' (the fever recurring every third day by inclusive reckoning).