Definitions for "Saponification"
The act, process, or result, of soap making; conversion into soap; specifically (Chem.), the decomposition of fats and other ethereal salts by alkalies; as, the saponification of ethyl acetate.
The process in which a fatty acid is neutralized with an alkali or base to form a soap.
The reaction between fats and oils with KOH or NaOH to produce soap.
Keywords:  subgrade, scum, washing, gray, dust
The deposit of a gray scum or gray dust on the inside surface of a subgrade wall or floor; as the result of moisture moving through the concrete and washing certain chemicals from the concrete mass.