1. (noun) 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. (noun) a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood

• hematocrit

1. (noun) the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit

• ratio

2. (noun) a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood

• centrifuge
• extractor
• separator
• measuring device
• measuring instrument
• measuring system