Deduction /(?)/

De·duc·tion

Deduction

n.
  1. Act or process of deducing or inferring.
    The deduction of one language from another.
    This process, by which from two statements we deduce a third, is called deduction.
    — J. R. Seely.
  2. Act of deducting or taking away; subtraction; as, the deduction of the subtrahend from the minuend.
  3. That which is deduced or drawn from premises by a process of reasoning; an inference; a conclusion.
    Make fair deductions; see to what they mount.
  4. That which is or may be deducted; the part taken away; abatement; as, a deduction from the yearly rent in compensation for services; deductions from income in calculating income taxes.