音标：['frækʃәn] ；柯林斯词典等级：2 级；

n. 小部分, 破片, 分数
[医] 部分, 成分, 分散

n. a component of a mixture that has been separated by a fractional process
n. a small part or item forming a piece of a whole
n. the quotient of two rational numbers

词型变化：名词复数形式 : fractions ; 现在分词 : fractioning ; 过去式 : fractioned ; 第三人称单数 : fractions ; 过去分词 : fractioned
考试类型：[四级/六级/考研/托福/IELTS/GRE]

词性分布：

名词100%

fraction的用法和样例：

例句

用作名词(n.)

Mother's careful with her money, and spends only a fraction of her earnings.母亲用钱很审慎,只花自己收入很小的一部分。
The door opened a fraction.门稍微开了条缝。
I can only pay a fraction of my bill.我只付我的帐单的一小部分。
Open the window a fraction, please.请把窗户打开一点。
One forth is a proper fraction.四分之一是一个真分数。
In the reaction, the fraction acts as an agent.在反应中,这些碎片起一种媒介的作用。

常见句型

用作名词(n.)

The car missed me by a fraction of an inch.那车子差一点儿就要撞到我了。
The cost is only a fraction of his salary.那项费用不过是他薪水的一小部分。

常用短语

用作名词(n.)

not by a fraction

一点也不not at all

词汇搭配

用作名词 (n.)

动词+～

reduce a fraction简化分数

形容词+～

common fraction普通分数
improper〔proper〕 fraction假〔真〕分数
tiny fraction极小的部分

介词+～

by fractions有余数的,不完全的
in a fraction of a second顷刻
to a fraction百分之百,地地道道

～+介词

a fraction of一小部分
a fraction of a second顷刻之间,一眨眼工夫

经典引文

When the Affections are glewed to the world, Death makes not a Dissolution, but a Fraction.
出自：O. Feltham

【近义词】

【反义词】

integer【C】整数

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