Hy`per*ae"mi*a (?), n. [NL., fr. Gr. over + blood.] Med.
A superabundance or congestion of blood in an organ or part of the body.
Active hyperaemia, congestion due to increased flow of blood to a part.
-- Passive hyperaemia, interchange due to obstruction in the return of blood from a part.
-- Hy`per*ae"mic (#), a.
© Webster 1913.