reduction


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Related to reduction: reduction formula, Reduction reaction

re·duc·tion

 (rĭ-dŭk′shən)
n.
1. The act or process of reducing.
2. The result of reducing: a reduction in absenteeism.
3. The amount by which something is lessened or diminished: a reduction of 12 percent in violent crime.
4. A sauce that has been thickened or concentrated by boiling.
5. Biology The first meiotic division, in which the chromosome number is reduced from diploid to haploid. Also called reduction division.
6. Chemistry
a. A decrease in positive valence or an increase in negative valence by the gaining of electrons.
b. A reaction in which hydrogen is combined with a compound.
c. A reaction in which oxygen is removed from a compound.
7. Mathematics
a. The canceling of common factors in the numerator and denominator of a fraction.
b. The converting of a fraction to its decimal equivalent.
c. The converting of an expression or equation to its simplest form.

[Middle English reduccioun, restoration, action of bringing back to a former state, from Middle French reduction, from Old French redution, from Latin reductiō, reductiōn-, from reductus, past participle of redūcere, to bring back; see reduce.]

re·duc′tion·al adj.

reduction

(rɪˈdʌkʃən)
n
1. the act or process or an instance of reducing
2. the state or condition of being reduced
3. the amount by which something is reduced
4. a form of an original resulting from a reducing process, such as a copy on a smaller scale
5. a simplified form, such as an orchestral score arranged for piano
6. (Mathematics) maths
a. the process of converting a fraction into its decimal form
b. the process of dividing out the common factors in the numerator and denominator of a fraction; cancellation
c. cookery
d. the process of concentrating a liquid such as wine or stock by boiling away some of the water in it, esp in order to make a sauce
e. a sauce made in this way: a red wine reduction.
7. (Cooking) cookery
a. the process of concentrating a liquid such as wine or stock by boiling away some of the water in it, esp in order to make a sauce
b. a sauce made in this way: a red wine reduction.
reˈductive adj

re•duc•tion

(rɪˈdʌk ʃən)

n.
1. the act or process of reducing, or the state of being reduced.
2. the amount by which something is reduced.
3. a form produced by reducing; a copy on a smaller scale.
4. Biol. meiosis, esp. the first meiotic cell division in which the chromosome number is reduced by half.
5. the process or result of reducing a chemical substance.
[1475–85; earlier reduccion < Middle French reduction < Latin reductiō bringing back]
re•duc′tion•al, adj.

re·duc·tion

(rĭ-dŭk′shən)
1. Mathematics The changing of a fraction into a simpler form, especially by dividing the numerator and denominator by a common factor. For example, the fraction 8/12 can be reduced to 4/6 , which can be further reduced to 2/3 , in each case by dividing both the numerator and denominator by 2.
2. Chemistry A chemical reaction in which an atom or ion gains electrons, thus undergoing a decrease in valence. If an iron atom having a valence of +3 gains an electron, the valence decreases to +2. Compare oxidation.

reduction

The creation of lanes through a minefield or obstacle to allow passage of the attacking ground force.

reduction

1. The reverse of oxidation.
2. A surgical method of restoring an original relationship, for example by manipulating bones or hernias back into the original position.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reduction - the act of decreasing or reducing somethingreduction - the act of decreasing or reducing something
change of magnitude - the act of changing the amount or size of something
cut - the act of reducing the amount or number; "the mayor proposed extensive cuts in the city budget"
mitigation, moderation - the action of lessening in severity or intensity; "the object being control or moderation of economic depressions"
lowering - the act of causing to become less
cutback - a reduction in quantity or rate
devaluation - the reduction of something's value or worth
devitalisation, devitalization - the act of reducing the vitality of something
mitigation, palliation, extenuation - to act in such a way as to cause an offense to seem less serious
alleviation, easement, easing, relief - the act of reducing something unpleasant (as pain or annoyance); "he asked the nurse for relief from the constant pain"
de-escalation - (war) a reduction in intensity (of a crisis or a war)
minimisation, minimization - the act of reducing something to the least possible amount or degree or position
depletion - the act of decreasing something markedly
shortening - act of decreasing in length; "the dress needs shortening"
shrinking - the act of becoming less
subtraction, deduction - the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
deflation - the act of letting the air out of something
discount, price reduction, deduction - the act of reducing the selling price of merchandise
rollback - reducing prices back to some earlier level
weakening - the act of reducing the strength of something
depreciation - a decrease in price or value; "depreciation of the dollar against the yen"
contraction - the act of decreasing (something) in size or volume or quantity or scope
reverse split, reverse stock split, split down - a decrease in the number of outstanding shares of a corporation without changing the shareholders' equity
amortisation, amortization - the reduction of the value of an asset by prorating its cost over a period of years
declassification - reduction or removal by the government of restrictions on a classified document or weapon
tax shelter, shelter - a way of organizing business to reduce the taxes it must pay on current earnings
tax credit - a direct reduction in tax liability (not dependent on the taxpayer's tax bracket)
2.reduction - any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
3.reduction - the act of reducing complexity
change - the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election"
schematisation, schematization - the act of reducing to a scheme or formula

reduction

noun
1. decrease, lowering, lessening, minimizing, diminution a future reduction in interest rates
2. cut, cutting, trimming, pruning, cutback, scaling down, depletion a new strategic arms reduction agreement
3. discount, concession, slash (informal), price cut, markdown Reductions of 10-15 per cent are common on these package holidays.

reduction

noun
2. The act or an instance of demoting:
3. A lowering in price or value:
4. An amount deducted:
Translations
تَخْفيضتَقْلِيل
sníženíredukce
reduktionnedsættelse
vähentäminenkokoon keittäminenpalautuspelkistyssieventäminen
popust
leszállítás
lækkun
減少
축소
zmanjšanjeznižanje
minskning
การทำให้ลดลง
sự giảm

reduction

[rɪˈdʌkʃən] N
1. (in size, number, costs, expenditure) → reducción f
a 15% reduction in costsuna reducción del 15% por ciento en los costes
there has been no reduction in demandno ha disminuido la demanda
we have had to make reductions in the budgethemos tenido que recortar el presupuesto
2. (in price) → rebaja f
a 50% reductionuna rebaja del 50%
3. (Mil) (in rank) → degradación f
4. (= simplification) → reducción f
5. (Phot) → copia f reducida
6. (Math) → reducción f
7. (Chem) → reducción f
8. (= capture, subjugation) → toma f, conquista f

reduction

[rɪˈdʌkʃən] n
(in cost, number, amount, staff, risk, demand, spending)réduction f; (in crime, violence, interest rates, income tax, price)baisse f
a reduction in sth [+ cost, number, amount, staff, demand, spending] → une réduction de qch; [+ crime, violence, interest rates, income tax, price] → une baisse de qch
(= discount) → rabais m, réduction f
a 5% reduction, a reduction of 5% → un rabais de 5%, une réduction de 5%
"huge reductions!" → "prix sacrifiés!"

reduction

n
no pl (→ etw gen) → Reduzierung f, → Reduktion f, → Verringerung f; (in speed) → Reduzierung f, → Verlangsamung f; (in authority) → Schwächung f; (in standards, temperatures) → Herabsetzung f, → Reduzierung f; (in prices) → Ermäßigung f, → Herabsetzung f, → Reduzierung f; (in taxes, costs) → Senkung f; (in expenses, wages) → Kürzung f; (in value) → Minderung f; (in size) → Verkleinerung f; (= shortening)Verkürzung f; (in output) → Drosselung f, → Reduzierung f; (in scale of operations) → Einschränkung f; (of goods, items)Herabsetzung f; (of fever)Senkung f; (of joint)Wiedereinrenken nt; to make a reduction on an articleeinen Artikel heruntersetzen; reduction for cashPreisabschlag mbei Barzahlung; reduction of taxesSteuersenkung f; reduction in rankDegradierung f
(to another state, Chem) → Reduktion f; (Math) → Zerlegung f (→ to in +acc); reduction of something to powder/to a pulpZermahlung feiner Sache (gen)zu Pulver/zu Brei
(= amount reduced) (→ etw gen) (in pressure, temperature, output) → Abnahme f, → Rückgang m; (of speed)Verlangsamung f; (in size) → Verkleinerung f; (in length) → Verkürzung f; (in taxes) → Nachlass m; (in prices) → Ermäßigung f; (Jur: of sentence) → Kürzung f; (of swelling)Rückgang m; to sell (something) at a reductionetw verbilligt verkaufen, etw zu ermäßigtem Preis verkaufen; what a reduction!wie billig!; reduction in strengthNachlassen ntder Kräfte
(= copy)Verkleinerung f

reduction

[rɪˈdʌkʃn] n (see vt a) → riduzione f, diminuzione f
reductions for cash → sconto per (il pagamento in) contanti

reduce

(rəˈdjuːs) verb
1. to make less, smaller etc. The shop reduced its prices; The train reduced speed.
2. to lose weight by dieting. I must reduce to get into that dress.
3. to drive, or put, into a particular (bad) state. The bombs reduced the city to ruins; She was so angry, she was almost reduced to tears; During the famine, many people were reduced to eating grass and leaves.
reˈducible adjective
reˈduction (-ˈdak-) noun
The government promised a reduction in prices later; price reductions.

reduction

تَقْلِيل snížení reduktion Reduzierung ελάττωση reducción vähentäminen réduction popust riduzione 減少 축소 reductie reduksjon redukcja redução сокращение minskning การทำให้ลดลง indirim sự giảm 减少

re·duc·tion

n. reducción, baja, disminución; rebaja.

reduction

n reducción f; breast — reducción mamaria or de senos; open — and internal fixation reducción abierta y fijación interna
References in classic literature ?
In piecework they would reduce the time, requiring the same work in a shorter time, and paying the same wages; and then, after the workers had accustomed themselves to this new speed, they would reduce the rate of payment to correspond with the reduction in time
I found them to be the perfect isolation of prisoners - so that no one man in confinement there, knew anything about another; and the reduction of prisoners to a wholesome state of mind, leading to sincere contrition and repentance.
The only available standard was the market price, and this he rejected as being fixed by competition among capitalists who could only secure profit by obtaining from their workmen more products than they paid them for, and could only tempt customers by offering a share of the unpaid-for part of the products as a reduction in price.
For each question answered he asked two reals, and for some he made a reduction, just as he happened to feel the pulse of the questioners; and when now and then he came to houses where things that he knew of had happened to the people living there, even if they did not ask him a question, not caring to pay for it, he would make the sign to the ape and then declare that it had said so and so, which fitted the case exactly.
Referring the examination of the principle itself to another place, as has been already mentioned, it will be sufficient to remark here that, in the sense of the author who has been most emphatically quoted upon the occasion, it would only dictate a reduction of the SIZE of the more considerable MEMBERS of the Union, but would not militate against their being all comprehended in one confederate government.
And if we may argue from the degree of liberty retained even under septennial elections, and all the other vicious ingredients in the parliamentary constitution, we cannot doubt that a reduction of the period from seven to three years, with the other necessary reforms, would so far extend the influence of the people over their representatives as to satisfy us that biennial elections, under the federal system, cannot possibly be dangerous to the requisite dependence of the House of Representatives on their constituents.
He cheerfully acquiesced in this, and I gave him the same time as before for reduction.
When I wanted to find out the necessary increase of weight required to sink the Nautilus, I had only to calculate the reduction of volume that sea-water acquires according to the depth.
de Treville had served him so faithfully in his wars against the league that in default of money--a thing to which the Bearnais was accustomed all his life, and who constantly paid his debts with that of which he never stood in need of borrowing, that is to say, with ready wit--in default of money, we repeat, he authorized him, after the reduction of Paris, to assume for his arms a golden lion passant upon gules, with the motto Fidelis et fortis.
Many speakers to the House the other night in the debate on the reduction of armaments seemed to show a most lamentable ignorance of the conditions under which the British Empire maintains its existence.
For what it seeks to disturb is monotony of type, slavery of custom, tyranny of habit, and the reduction of man to the level of a machine.
Norris, on quitting the Parsonage, removed first to the Park, and afterwards to a small house of Sir Thomas's in the village, and consoled herself for the loss of her husband by considering that she could do very well without him; and for her reduction of income by the evident necessity of stricter economy.