1. The ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit
   - hematocrit, packed cell volume 
2. A measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
   - hematocrit

Derived forms: haematocrits

Type of: centrifuge, extractor, measuring device, measuring instrument, measuring system, ratio, separator

Encyclopedia: Haematocrit

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