Hematocrit

//hɪˈmæt.ək.ɹɪt// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The percentage (by volume) of packed red blood cells in a centrifuged sample of blood. countable, uncountable
  2. 2
    a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood wordnet
  3. 3
    A centrifuge used to analyze the relative amount of red blood cells and plasma in blood. countable
  4. 4
    the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit wordnet

Etymology

From hemato- (“blood”) + Ancient Greek κριτής (kritḗs, “judge, umpire”), literally “to separate blood”, coined by Swedish physiologist Magnus Blix in 1891.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.