- 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. - A morbid condition produced by exhalations from decaying
vegetable matter in contact with moisture, giving rise to fever and
ague and many other symptoms characterized by their tendency to recur
at definite and usually uniform intervals.
Definition
[ n.]