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.
2. Profound. 1)to be deep/insightful. 2)hard to grasp/understand to the shallow mind or someone of ordinary knowledge. I found the preacher's sermon to be very profound and insightful, today. Bob wasn't ver profound when he said, I like beer and sex..