reduction的意思

单词音标：

【音标】 [ri'dʌkʃәn]

汉语翻译

n. 减少, 缩影, 变化
【化】 还原
【医】 复位术, 还原[作用], 减少, 减数
【经】 减少, 缩减, 约简

词型变化：

形容词:reductional 

英语解释：

名词 reduction:

1. the act of decreasing or reducing something同义词：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同义词：reducing
3. the act of reducing complexity同义词：simplification

例句：

1. The reduction of unemployment should be paramount in the government's economic policy.降低失业率应是政府经济政策的头等大事。
2. The development of the project was seriously impeded by a reduction in funds.由於基金削减工程进度严重受阻。
3. The talks resulted in reducing the number of missiles/missile reduction.谈判结果削减了导弹数量。
4. The reduction of unemployment should be paramount.降低失业率应是头等大事。
5. Let's compromise on a10 percent reduction in price on this shipment.让我们来个折衷办法，这批货减价10％吧。
6. Production manager: Initiated quality control resulting in a reduction in working hours by20% while increasing productivity by25%.生产部经理：引入质量控制，使工作时数减少了20％, 而生产力则提高了25％。
7. The act of laying down arms, especially the reduction or abolition of a nation's military forces and armaments.缴械，解除武装放下武器的行为，尤指减少或取消国家的军事力量和武装
8. Can you give me a 5% reduction?你能给我打九五折吗？

详细解释：

re.duc.tion

n.Abbr. red.（名词）缩写 red.
The act or process of reducing.
减少：减少的行为或过程
The result of reducing:
减少的结果：
例句：
a reduction in absenteeism.
缺席人数的减少

The amount by which something is lessened or diminished:
减少量：某物被缩短或减少的量：
例句：
a reduction of 2 percent in violent crime.
严重犯罪率下降2个百分点

Biology The first meiotic division, in which the chromosome number is reduced.Also called reduction division
【生物学】 减数分裂：细胞第一次染色体数目减少大减数分裂也作 reduction division
Chemistry
【化学】
A decrease in positive valence or an increase in negative valence by the gaining of electrons.
还原：通过获得电子而造成正价电子减少和负价电子增多
A reaction in which hydrogen is combined with a compound.
氢化反应：氢与化合物结合的反应
A reaction in which oxygen is removed from a compound.
还原反应：把氧从化合物中分离的反应
Mathematics
【数学】
The canceling of common factors in the numerator and denominator of a fraction.
约分：削去分数中分子和分母的公约数
The converting of a fraction to its decimal equivalent.
分数化成小数：把分数写成与之相等的小数
The converting of an expression or equation to its simplest form.
简化方程式：把表达式或方程式化至最简的形式

来源：
Middle English reduccion [restoration]
中古英语 reduccion [重新设立]
from Old French reduction
源自 古法语 reduction
from Latin reductiô reductiôn-
源自 拉丁语 reductiô reductiôn-
from reductus [past participle of] redôcere [to bring back] * see reduce
源自 reductus [] redôcere的过去分词 [收回] *参见 reduce

【引伸】
reduc.tional
adj.（形容词）