In a general sense, a turning or change from one state to another; with regard to substances, transmutation; as a conversion of water into ice, or of food into chyle or blood.

In military affairs, a change of front, as when a body of troops is attacked in the flank, and they change their position to face the enemy.

In a theological or moral sense, a change of heart, or dispositions, in which the enmity of the heart to God and his law and the obstinacy of the will are subdued, and are succeeded by supreme love to God and his moral government, and a reformation of life.

Change from one. side or party to another. That conversion will be suspected that apparently concurs with interest.

A change from one religion to another; as the conversion of the Gentiles. Acts 15:3.

The act of appropriating to private use; as in trover and conversion. Conversion of equations, in algebra, the reduction of equations by multiplication, or the manner of altering an equation, when the quantity sought or any member of it is a fraction; the reducing of a fractional equation into an integral one. Conversion of propositions, in logic, is a changing of the subject into the place of the predicate, and still retaining the quality of the proposition. Conversion of the ratios, in arithmetic, is the comparing of the antecedent with the difference of the antecedent and consequent, in two equal ratios or proportions.