falciparum malaria
noun
fal·cip·a·rum malaria fal-ˈsi-pə-rəm- 
: extremely severe malaria caused by a sporozoan parasite (Plasmodium falciparum)
Word History
Etymology
New Latin, specific epithet, from Latin falc-, falx + -parum, neuter of -parus -parous
First Known Use
1940, in the meaning defined above
Medical Definition
falciparum malaria
noun
fal·cip·a·rum malaria fal-ˈsip-ə-rəm- fȯl-
fȯl- : severe malaria caused by a parasite of the genus Plasmodium (P. falciparum) and marked by irregular recurrence of paroxysms and usually prolonged or continuous fever
called also malignant malaria, malignant tertian malaria, subtertian malaria
compare vivax malaria