The chemical change from reactants to products in an industrial chemical process. Also known as chemical conversion.

Change of a compound from one isomeric form to another.

See <<data conversion>>

Determination of the rhumb-line direction of one point from another when the initial great-circle direction is known, or vice versa, the difference between the two directions being the conversion angle; used in connection with radio bearings, Consol, Consolan, and in great-circle sailing.

Nuclear transformation of a fertile substance into a fissile substance.

Treatment of a drilling mud to alter its chemical properties. Also known as breakover.

Change in a quantity's numerical value as a result of using a different unit of measurement.

A defense mechanism whereby unconscious emotional conflict is transformed into physical disability, the affected part always having symbolic meaning pertinent to the nature of the conflict.