名詞 reduction:

1. the act of decreasing or reducing something
   同義詞：decrease, diminution, step-down
2. 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
   同義詞：reducing
3. the act of reducing complexity
   同義詞：simplification

1. The reduction of unemployment should be paramount in the government's economic policy.
   降低失業(yè)率應(yīng)是政府經(jīng)濟(jì)政策的頭等大事。
2. The development of the project was seriously impeded by a reduction in funds.
   由於基金削減工程進(jìn)度嚴(yán)重受阻。
3. The talks resulted in reducing the number of missiles/missile reduction.
   談判結(jié)果削減了導(dǎo)彈數(shù)量。
4. The reduction of unemployment should be paramount.
   降低失業(yè)率應(yīng)是頭等大事。
5. Let's compromise on a10 percent reduction in price on this shipment.
   讓我們來(lái)個(gè)折衷辦法，這批貨減價(jià)10％吧。
6. Production manager: Initiated quality control resulting in a reduction in working hours by20% while increasing productivity by25%.
   生產(chǎn)部經(jīng)理：引入質(zhì)量控制，使工作時(shí)數(shù)減少了20％, 而生產(chǎn)力則提高了25％。
7. The act of laying down arms, especially the reduction or abolition of a nation's military forces and armaments.
   繳械，解除武裝放下武器的行為，尤指減少或取消國(guó)家的軍事力量和武裝
8. Can you give me a 5% reduction?
   你能給我打九五折嗎？

re.duc.tion

n.Abbr. red.（名詞）縮寫(xiě) red.
The act or process of reducing.
減少：減少的行為或過(guò)程
The result of reducing:
減少的結(jié)果：
例句：
a reduction in absenteeism.
缺席人數(shù)的減少

The amount by which something is lessened or diminished:
減少量：某物被縮短或減少的量：
例句：
a reduction of 2 percent in violent crime.
嚴(yán)重犯罪率下降2個(gè)百分點(diǎn)

Biology The first meiotic division, in which the chromosome number is reduced.Also called reduction division
【生物學(xué)】 減數(shù)分裂：細(xì)胞第一次染色體數(shù)目減少大減數(shù)分裂也作 reduction division
Chemistry
【化學(xué)】
A decrease in positive valence or an increase in negative valence by the gaining of electrons.
還原：通過(guò)獲得電子而造成正價(jià)電子減少和負(fù)價(jià)電子增多
A reaction in which hydrogen is combined with a compound.
氫化反應(yīng)：氫與化合物結(jié)合的反應(yīng)
A reaction in which oxygen is removed from a compound.
還原反應(yīng)：把氧從化合物中分離的反應(yīng)
Mathematics
【數(shù)學(xué)】
The canceling of common factors in the numerator and denominator of a fraction.
約分：削去分?jǐn)?shù)中分子和分母的公約數(shù)
The converting of a fraction to its decimal equivalent.
分?jǐn)?shù)化成小數(shù)：把分?jǐn)?shù)寫(xiě)成與之相等的小數(shù)
The converting of an expression or equation to its simplest form.
簡(jiǎn)化方程式：把表達(dá)式或方程式化至最簡(jiǎn)的形式

來(lái)源：
Middle English reduccion [restoration]
中古英語(yǔ) reduccion [重新設(shè)立]
from Old French reduction
源自 古法語(yǔ) reduction
from Latin reductiô reductiôn-
源自 拉丁語(yǔ) reductiô reductiôn-
from reductus [past participle of] redôcere [to bring back] * see reduce
源自 reductus [] redôcere的過(guò)去分詞 [收回] *參見(jiàn) reduce

【引伸】
reduc.tional
adj.（形容詞）