Defn: To withdraw, or take away, as a part from the whole; to deduct; as, subtract 5 from 9, and the remainder is 4.
SUBTRACTER
Sub*tract"er, n.
1. One who subtracts.
2. The subtrahend. [Obs.]
SUBTRACTION Sub*trac"tion, n. Etym: [L. subtractio a drawing back. See Subtract, and cf. Substraction.]
1. The act or operation of subtracting or taking away a part.
2. (Math.)
Defn: 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. (Law)
Defn: The withdrawing or withholding from a person of some right to which he is entitled by law.