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.
Definition of breadth. 1  1 : distance from side to side : width the height, breadth, and depth of each piece of furniture. 2  2 : something of full width begin with a breadth of silk. 3  3a : comprehensive quality : scope the breadth of his learningb : liberality of views or taste breadth of mind.