packed cell volume is a noun meaning "the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit". It carries one recorded sense.
the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit
Definitions, synonyms and semantic relations for packed cell volume come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.