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5 definitions found
 for subtraction
From The Collaborative International Dictionary of English v.0.48 :

  Compound \Com"pound\, a. [OE. compouned, p. p. of compounen. See
     Compound, v. t.]
     Composed of two or more elements, ingredients, parts;
     produced by the union of several ingredients, parts, or
     things; composite; as, a compound word.
     [1913 Webster]
           Compound substances are made up of two or more simple
           substances.                              --I. Watts.
     [1913 Webster]
     Compound addition, subtraction, multiplication,
     division (Arith.), the addition, subtraction, etc., of
        compound numbers.
     Compound crystal (Crystallog.), a twin crystal, or one
        seeming to be made up of two or more crystals combined
        according to regular laws of composition.
     Compound engine (Mech.), a form of steam engine in which
        the steam that has been used in a high-pressure cylinder
        is made to do further service in a larger low-pressure
        cylinder, sometimes in several larger cylinders,
     Compound ether. (Chem.) See under Ether.
     Compound flower (Bot.), a flower head resembling a single
        flower, but really composed of several florets inclosed in
        a common calyxlike involucre, as the sunflower or
     Compound fraction. (Math.) See Fraction.
     Compound fracture. See Fracture.
     Compound householder, a householder who compounds or
        arranges with his landlord that his rates shall be
        included in his rents. [Eng.]
     Compound interest. See Interest.
     Compound larceny. (Law) See Larceny.
     Compound leaf (Bot.), a leaf having two or more separate
        blades or leaflets on a common leafstalk.
     Compound microscope. See Microscope.
     Compound motion. See Motion.
     Compound number (Math.), one constructed according to a
        varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.;
        -- called also denominate number.
     Compound pier (Arch.), a clustered column.
     Compound quantity (Alg.), a quantity composed of two or
        more simple quantities or terms, connected by the sign +
        (plus) or - (minus). Thus, a + b - c, and bb - b, are
        compound quantities.
     Compound radical. (Chem.) See Radical.
     Compound ratio (Math.), the product of two or more ratios;
        thus ab:cd is a ratio compounded of the simple ratios a:c
        and b:d.
     Compound rest (Mech.), the tool carriage of an engine
     Compound screw (Mech.), a screw having on the same axis two
        or more screws with different pitch (a differential
        screw), or running in different directions (a right and
        left screw).
     Compound time (Mus.), that in which two or more simple
        measures are combined in one; as, 6-8 time is the joining
        of two measures of 3-8 time.
     Compound word, a word composed of two or more words;
        specifically, two or more words joined together by a
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Subtraction \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.
        [1913 Webster]
     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.
        [1913 Webster]
     3. (Law) The withdrawing or withholding from a person of some
        right to which he is entitled by law.
        [1913 Webster]
     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.
           [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: 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" [syn:
           subtraction, minus]
      2: the act of subtracting (removing a part from the whole); "he
         complained about the subtraction of money from their
         paychecks" [syn: subtraction, deduction] [ant:

From Moby Thesaurus II by Grady Ward, 1.0 :

  88 Moby Thesaurus words for "subtraction":
     abatement, abridgment, absence, abstraction, addition, alienation,
     alleviation, approximation, attenuation, awayness, blank,
     contraction, dampening, damping, decrease, decrement, decrescence,
     deduction, deflation, depreciation, depression, deprivation,
     detachment, differentiation, diminishment, diminution,
     disarticulation, disassociation, disconnectedness, disconnection,
     discontinuity, discount, disengagement, disjointing, disjunction,
     dislocation, disunion, division, divorce, divorcement, dying,
     dying off, equation, evolution, extenuation, extrapolation,
     fade-out, incoherence, integration, interpolation, inversion,
     involution, isolation, lack, languishment, lessening, letup,
     lowering, luxation, miniaturization, mitigation, multiplication,
     neverness, nonexistence, nonoccurrence, nonpresence, notation,
     nowhereness, parting, partition, practice, proportion, rebate,
     reduction, relaxation, removal, sagging, scaling down,
     segmentation, separation, separatism, simplicity, subdivision,
     transformation, want, weakening, withdrawal, zoning

From Bouvier's Law Dictionary, Revised 6th Ed (1856) :

  SUBTRACTION. The act of withholding or detaining anything unlawfully. 

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