meaning of subtraction
1. The act or operation of subtracting or taking away a part.
2. The taking of a lesser number or quantity from a greater of the same kind or denomination; an operation for finding the difference between two numbers or quantities.
3. The withdrawing or withholding from a person of some right to which he is entitled by law.
4. the act of subtracting removing a part from the whole; "he complained about the subtraction of money from their
">paychecks"