Digestion Essay The path of digestion begins in the mouth when food is broken down mechanically, into smaller pieces, by the teeth and tongue. The complex carbohydrates found in the food are also broken down chemically with the help of the enzyme (ptyalin), found in saliva.
apparent viscosity. (fluid mechanics). The value obtained by applying the instrumental equations used in obtaining the viscosity of a Newtonian fluid to viscometer measurements of a non-Newtonian fluid. 1  Facebook. 2  Twitter.
Definition - What does Viscosity mean? Viscosity is the resistance of a fluid to a change in shape, or to the movement of neighboring portions relative to one another. The reciprocal of the viscosity is called fluidity, a measure of the ease of flow.