1) Blood disease 2) Blood disorder 
(hi-dre´me-ә) excess of water in the blood, so that it has a low osmolality; see also hypo-osmolality.
Type: Term Pronunciation: hī-drē′mē-ă Definitions: 1. A condition in which the blood volume is increased as a result of an increase in the water content of plasma, with or without a reduction in the concentration of protein; there is an excess of plasma in proportion to the cellular elements and a corresponding decrease in...
[n] - blood disorder in which there is excess fluid volume compared with the cell volume of the blood
hydremia, hydraemia 1. A blood disorder in which there is excess fluid volume (of water) compared with the cell volume of the blood. 2. The excessive dilution of the blood, so that the proportion of serum to corpuscles is excessive. 3. A condition in which the blood volume is increased as a result of an increase in the water content of plasma, wi...
the state of having an excess of water in the blood.