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.
viscosity. Use viscosity in a sentence. LINK / CITE ADD TO WORD LIST. noun. Viscosity is thickness, or a measure of how resistant a liquid is to flowing. The thickness of a semi-fluid liquid such as maple syrup is an example of viscosity. pl. -Â·ties.