hemoconcentration

noun
he·​mo·​con·​cen·​tra·​tion
variants: or chiefly British haemoconcentration \ ˌhē-​mō-​ˌkän(t)-​sən-​ˈtrā-​shən How to pronounce haemoconcentration (audio) \

Medical Definition of hemoconcentration

: increased concentration of cells and solids in the blood usually resulting from loss of fluid to the tissues — compare hemodilution sense 1