Hematocrit is a blood test that measures the percentage of the volume of whole blood that is made up of red blood cells. This measurement depends on the number of red blood cells and the size of red blood cells.
Definition of profound for Students. 1  1 : having or showing great knowledge and understanding a profound thinker. 2  2 : very deeply felt profound sorrow.
1. adjective. You use profound to emphasize that something is very great or intense. [emphasis] ...discoveries which had a profound effect on many areas of medicine. ...profound disagreement. The overwhelming feeling is just deep, profound shock and anger.