Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The percentage by volume of packed red blood cells in a given sample of blood after centrifugation.
  • n. A centrifuge used to determine the volume of blood cells and plasma in a given sample of blood.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The percentage (by volume) of packed red blood cells in a centrifuged sample of blood
  • n. A centrifuge used to analyze the relative amount of red blood cells and plasma in blood

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
  • n. the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit

Etymologies

hemato- + Greek kritēs, judge (from krīnein, to judge; see krei- in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)

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