haematocrit

/ ˈhiː-; ˈhɛmətəʊkrɪt /

noun

1. a centrifuge for separating blood cells from plasma
2. Also calledpacked cell volume the ratio of the volume occupied by these cells, esp the red cells, to the total volume of blood, expressed as a percentage

Word History and Origins

Origin of haematocrit¹

C20: from haemato- + Greek kritēs judge, from krinein to separate