Definition of "Conversion" :

noun: a spiritual enlightenment causing a person to lead a new life

noun: a successful free throw or try for point after a touchdown

noun: the act of changing from one use or function or purpose to another

noun: act of exchanging one type of money or security for another

noun: a change in the units or form of an expression:

"Conversion from Fahrenheit to Centigrade."

noun: interchange of subject and predicate of a proposition

noun: a change of religion

"His conversion to the Catholic faith."

noun: an event that results in a transformation

noun: (psychiatry) a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis