Main Entry: he·mat·o·crit

Pronunciation: \hi-ˈma-tə-krət, -ˌkrit\

Function: noun

Etymology: International Scientific Vocabulary hemat- + Greek kritēs judge, from krinein to judge — more at certain

Date: circa 1903

: the ratio of the volume of red blood cells to the total volume of blood as determined by separation of red blood cells from the plasma usually by centrifugation