1. subtraction(n = noun.act) minus - 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"
is a kind of arithmetic operation
Derived form verb subtract1
2. subtraction(n = noun.act) deduction - the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
is a kind of decrease, diminution, reduction, step-down
has particulars: bite, withholding
Antonym: addition
Derived form verb subtract1
1. The act or operation of subtracting or taking away a part. [1913 Webster]
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. [1913 Webster]
3. The withdrawing or withholding from a person of some right to which he is entitled by law. [1913 Webster]
" 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]
N nonincrease, decrease, decrease, diminution, lessening, subtraction, reduction, abatement, declension, shrinking (contraction, ), coarctation, abridgment, extenuation, subsidence, wane, ebb, decline, ebbing, descent, decrement, reflux, depreciation, deterioration, anticlimax, mitigation, unincreased, decreased, decreasing, on the wane, a gilded halo hovering round decay, fine by degrees and beautifully less.
N nonaddition, subtraction, subtraction, subduction, deduction, retrenchment, removal, withdrawal, ablation, sublation, abstraction, garbling mutilation, detruncation, amputation, abscission, excision, recision, curtailment, minuend, subtrahend, decrease, abrasion, subtracted, subtractive, in deduction, less, short of, minus, without, except, except for, excepting, with the exception of, barring, save, exclusive of, save and except, with a reservation, not counting, if one doesn't count, nonaddition, subtraction, subtraction, subduction, deduction, retrenchment, removal, withdrawal, ablation, sublation, abstraction, garbling mutilation, detruncation, amputation, abscission, excision, recision, curtailment, minuend, subtrahend, decrease, abrasion, subtracted, subtractive, in deduction, less, short of, minus, without, except, except for, excepting, with the exception of, barring, save, exclusive of, save and except, with a reservation, not counting, if one doesn't count.
N numeration, numbering, pagination, tale, recension, enumeration, summation, reckoning, computation, supputation, calculation, calculus, algorithm, algorism, rhabdology, dactylonomy, measurement, statistics, arithmetic, analysis, algebra, geometry, analytical geometry, fluxions, differential calculus, integral calculus, infinitesimal calculus, calculus of differences, dead reckoning, muster, poll, census, capitation, roll call, recapitulation, account, notation, addition, subtraction, multiplication, division, rule of three, practice, equations, extraction of roots, reduction, involution, evolution, estimation, approximation, interpolation, differentiation, integration, abacus, logometer, slide rule, slipstick, tallies, Napier's bones, calculating machine, difference engine, suan- pan, adding machine, cash register, electronic calculator, calculator, computer, arithmetician, calculator, abacist, algebraist, mathematician, statistician, geometer, programmer, accountant, auditor, numeral, numerical, arithmetical, analytic, algebraic, statistical, numerable, computable, calculable, commensurable, commensurate, incommensurable, incommensurate, innumerable, unfathomable, infinite, quantitatively, arithmetically, measurably, in numbers.
N taking, reception, deglutition, appropriation, prehension, prensation, capture, caption, apprehension, deprehension, abreption, seizure, expropriation, abduction, ablation, subtraction, withdrawal, abstraction, ademption, adrolepsy, dispossession, deprivation, deprivement, bereavement, divestment, disherison, distraint, distress, sequestration, confiscation, eviction, rapacity, rapaciousness, extortion, vampirism, theft, resumption, reprise, reprisal, recovery, clutch, swoop, wrench, grip, haul, take, catch, scramble, taker, captor, subduction, taking, privative, prehensile, predaceous, predal, predatory, predatorial, lupine, rapacious, raptorial, ravenous, parasitic, bereft, at one fell swoop, give an inch and take an ell.