Definition for Hematocrit
From Biology Forums Dictionary
1) The volume of blood that is composed of red blood cells, usually between 40% and 65% among vertebrates.
2) The hematocrit is a ratio of the volume of red blood cells to the volume of all these components together, called whole blood. The value is expressed as a percentage or fraction. For example, a hematocrit value of 40% means that there are 40 milliliters of red blood cells in 100 milliliters of whole blood.
