ma*la"ri*a(?), n. [It., contr. fr. malaaria bad air. See Malice, and Air.] 1. Air infected with some noxious substance capable of engendering disease; esp., an unhealthy exhalation from certain soils, as marshy or wet lands, producing fevers; miasma. [Archaic]
The morbific agent in malaria is supposed by some to be a vegetable microbe or its spores, and by others to be a very minute animal blood parasite (an infusorian).
(Med.) A human disease caused by infection of red blood cells by a protozoan of the genus Plasmodium, giving rise to fever and chills and many other symptoms, characterized by their tendency to recur at definite and usually uniform intervals. The protozoal infection is usually transmitted from another infected individual by the bite of an Anopheles mosquito.
[1913 Webster +PJC]
Ma*la"ri*ous(?) }, a. Of or pertaining, to or infected by, malaria.
(Med.), a fever produced by malaria, and characterized by the occurrence of chills, fever, and sweating in distinct paroxysms, At intervals of definite and often uniform duration, in which these symptoms are wholly absent (intermittent fever), or only partially so (remittent fever); fever and ague; chills and fever.
malarial mosquiton. A mosquito that transmits the malaria parasite; it is most commonly the Anopheles mosquito.
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Wed 18th September 2019