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. extent downward or backward or inward. 2. degree of psychological or intellectual profundity. 3. (usually plural) the deepest and most remote part. 4. (usually plural) a low moral state. 5. the intellectual ability to penetrate deeply into ideas. Familiarity information: DEPTH used as a noun is common.