'Subtraction' definitions:
Definition of 'subtraction'
From: WordNet
noun
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]
noun
Definition of 'Subtraction'
From: GCIDE
- 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. --Blackstone. [1913 Webster]
Definition of 'subtraction'
From: GCIDE
- 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, successively.
- 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 dandelion.
- 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 lathe.
- 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 hyphen. [1913 Webster]
Synonyms of 'subtraction'
From: Moby Thesaurus
- 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