Definitions for: Subtraction

[n] the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
[n] an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one"

Webster (1913) Definition: Sub*trac"tion, n. [L. subtractio a drawing back.
See Subtract, and cf. Substraction.]
1. The act or operation of subtracting or taking away a part.

2. (Math.) 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) The withdrawing or withholding from a person of some
right to which he is entitled by law.

Note: Thus the subtraction of conjugal rights is when either
the husband or wife withdraws from the other and lives
separate without sufficient reason. The subtraction of
a legacy is the withholding or detailing of it from the
legatee by the executor. In like manner, the
withholding of any service, rent, duty, or custom, is a
subtraction, for which the law gives a remedy.
--Blackstone.

Synonyms: deduction, minus

Antonyms: addition

See Also: arithmetic operation, decrease, diminution, reduction, step-down, withholding

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