Reduction

Reduction
Reduction Re*duc"tion (r[-e]*d[u^]k"sh[u^]n), n. [F. r['e]duction, L. reductio. See {Reduce}.] 1. The act of reducing, or state of being reduced; conversion to a given state or condition; diminution; conquest; as, the reduction of a body to powder; the reduction of things to order; the reduction of the expenses of government; the reduction of a rebellious province. [1913 Webster]

2. (Arith. & Alg.) The act or process of reducing. See {Reduce}, v. t., 6. and {To reduce an equation}, {To reduce an expression}, under {Reduce}, v. t. [1913 Webster]

3. (Astron.) (a) The correction of observations for known errors of instruments, etc. (b) The preparation of the facts and measurements of observations in order to deduce a general result. [1913 Webster]

4. The process of making a copy of something, as a figure, design, or draught, on a smaller scale, preserving the proper proportions. --Fairholt. [1913 Webster]

5. (Logic) The bringing of a syllogism in one of the so-called imperfect modes into a mode in the first figure. [1913 Webster]

6. (Chem. & Metal.) The act, process, or result of reducing[7]; as, the reduction of iron from its ores; the reduction of an aldehyde into an alcohol. [1913 Webster]

7. (Med.) The operation of restoring a dislocated or fractured part to its former place. [1913 Webster]

{Reduction ascending} (Arith.), the operation of changing numbers of a lower into others of a higher denomination, as cents to dollars.

{Reduction descending} (Arith.), the operation of changing numbers of a higher into others of a lower denomination, as dollars to cents. [1913 Webster]

Syn: Diminution; decrease; abatement; curtailment; subjugation; conquest; subjection. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • réduction — [ redyksjɔ̃ ] n. f. • fin XIIIe « rapprochement »; lat. reductio, de reducere → réduire I ♦ (XIVe) Opération qui consiste à remettre en place (un os luxé, fracturé; un organe déplacé). Réduction d une articulation luxée. Par ext. Réduction d une… …   Encyclopédie Universelle

  • Reduction — Reduction, reduced, or reduce may refer to:cienceChemistry*Reduction – chemical reaction in which atoms have their oxidation number (oxidation state) changed. **Reduced gas – a gas with a low oxidation number **Ore reduction: see… …   Wikipedia

  • reduction — re‧duc‧tion [rɪˈdʌkʆn] noun FINANCE 1. [countable, uncountable] when prices, costs etc become lower or are made lower: • Our winter sale includes many price reductions. • We can make a reduction (= sell something more cheaply …   Financial and business terms

  • Reduction — Réduction Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • reduction — Reduction. s. f. v. Action de reduire. Reduction d une ville à l obéissance du Prince. la procession pour la reduction de Paris. reduction d une pinte de liqueur à une chopine. reduction des especes, des monnoyes. reduction des sols en livres.… …   Dictionnaire de l'Académie française

  • Reduction — Saltar a navegación, búsqueda Reduction Álbum de Peter Banks Publicación 1999 Género(s) Rock progresivo …   Wikipedia Español

  • reduction — Reduction, f. acut. Est proprement, ramenement (s il se peut dire ainsi) d une chose à son premier lieu et estat, et est pur Latin de Reductio, hormis du son et prolation François. Et selon ceste deduction, on peut dire Reduction estre,… …   Thresor de la langue françoyse

  • reduction — index abatement (reduction), abridgment (condensation), abstract, capsule, curtailment, decrease, deduction ( …   Law dictionary

  • reduction — [ri duk′shən] n. [LME reduccion < MFr reduction < L reductio < reductus, pp. of reducere] 1. a reducing or being reduced 2. anything made or brought about by reducing, as a smaller copy, lowered price, sauce of concentrated liquid, etc.… …   English World dictionary

  • reduction — reduction. См. редукция. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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