D defs.my
Entry 3 senses Webster, 1913

Subtraction

/səb-trăk'-shən/ · Sub·trac·tion · IPA /səbˈtɹækʃən/
01 n. The act or operation of subtracting or taking away a part.
  1. 1.
    The act or operation of subtracting or taking away a part.
  2. 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.(Math.)
  3. 3.
    The withdrawing or withholding from a person of some right to which he is entitled by law.(Law)