A1 noun #3,000 最常用 3分钟阅读

fraction

A fraction is a small part or piece of a whole thing.

Explanation at your level:

A fraction is a piece of something. If you have one apple and cut it, you have fractions of an apple. You use it in math class for numbers like 1/2. It is a small part of a big thing.

When we talk about parts, we use the word fraction. It describes a small amount of a total. For example, if you finish a test in a short time, you did it in a fraction of the time you were given.

The noun fraction is used to describe a portion of a whole. In mathematics, it refers to numbers like 3/4. In general English, it describes a small part of a larger group or amount. It is very common to hear 'a small fraction of people' or 'a fraction of the cost.'

Beyond its mathematical definition, fraction is frequently used to express proportion. It is often used with adjectives like 'tiny' or 'significant' to clarify the size of the part. Understanding how to use it in collocations like 'a fraction of the total' will help your English sound much more natural and precise.

In advanced contexts, fraction can denote a subtle or minute part of a complex system. It is often employed in academic or professional writing to provide precise quantitative descriptions. Whether discussing market share or chemical composition, the word allows for nuanced communication regarding parts and wholes. It is essential to distinguish between a 'fraction' and a 'percentage' to maintain academic accuracy.

Etymologically rooted in the Latin fractio, the term fraction carries a sense of division and fragmentation. In literary and formal discourse, it can be used to describe the broken nature of abstract concepts, such as a 'fraction of his former self.' Mastery of this word involves recognizing its versatility—shifting seamlessly from the rigid precision of mathematical notation to the evocative, figurative descriptions found in high-level prose and analytical debate.

30秒词汇

  • A fraction is a small part of a whole.
  • In math, it represents numbers like 1/2.
  • It comes from the Latin for 'breaking'.
  • It is a very useful, neutral word.

Think of a fraction as a way to talk about parts. Whether you are baking a cake or looking at data, you are often dealing with pieces of a bigger picture.

In mathematics, we use fractions like 1/2 or 3/4 to show specific amounts. The top number tells us how many parts we have, and the bottom number tells us how many equal parts make up the whole.

In everyday life, we use the word to describe small amounts. If you say, 'I only spent a fraction of my money,' you mean you spent a very small part of it. It is a super useful word for being precise about quantities!

The word fraction comes from the Latin word fractio, which literally means 'a breaking.' This makes perfect sense because to get a fraction, you have to break a whole thing into pieces!

It entered Middle English through Old French. Back in the 14th century, it was used primarily in medical and mathematical contexts. It is closely related to the word fracture, which also shares that 'breaking' root.

Isn't it fascinating how the history of a word helps us understand its meaning today? When you see a fraction, just remember it is simply a 'broken' piece of a whole.

You will hear fraction used in both formal and informal settings. In business, you might hear, 'A fraction of our budget,' while in casual conversation, you might say, 'I finished in a fraction of the time.'

Common collocations include 'small fraction', 'significant fraction', and 'tiny fraction'. These help emphasize just how much or how little of the whole we are talking about.

It is a neutral word, meaning you can use it in a scientific report or while chatting with your best friend. Just be careful not to confuse it with 'percentage,' as they represent different ways of measuring parts.

  • A fraction of: Used to mean a small part. 'It cost a fraction of the original price.'
  • In a fraction of a second: Very quickly. 'The car vanished in a fraction of a second.'
  • Only a fraction: Emphasizing scarcity. 'Only a fraction of the students passed.'
  • A large fraction: A big portion. 'A large fraction of the earth is water.'
  • Work for a fraction of the cost: Doing something cheaply. 'We can repair it for a fraction of the cost.'

The word fraction is a countable noun. You can say 'one fraction' or 'many fractions.' It is usually preceded by an article like 'a' or 'the'.

Pronunciation-wise, it is FRACK-shun. The stress is on the first syllable. It rhymes with words like action, traction, and reaction.

When using it in a sentence, it often acts as the subject or the object. For example: 'The fraction was difficult to calculate' (subject) or 'I ate a fraction of the pie' (object).

Fun Fact

The word shares the same root as 'fracture', meaning to break a bone.

Pronunciation Guide

UK /ˈfræk.ʃən/

Clear 'frack' sound followed by 'shun'.

US /ˈfræk.ʃən/

Similar to UK, slightly more emphasis on the 'a'.

Common Errors

  • Pronouncing it as 'frack-shun' with a hard 'k' is correct, but some skip the 'k'.
  • Mistaking the stress on the second syllable.
  • Confusing the 'shun' ending with 'sion'.

Rhymes With

action traction reaction faction satisfaction

Difficulty Rating

阅读 2/5

easy to read

Writing 2/5

easy to write

Speaking 2/5

easy to say

听力 2/5

easy to hear

What to Learn Next

Prerequisites

part whole number

Learn Next

proportion percentage ratio

高级

fractionate fragmentation

Grammar to Know

Articles with Nouns

a fraction

Countable vs Uncountable

many fractions

Prepositional Phrases

a fraction of

Examples by Level

1

This is a fraction of the cake.

small part

singular noun

2

1/2 is a fraction.

math number

math context

3

I have a fraction of the money.

small amount

prepositional phrase

4

It is a small fraction.

tiny part

adjective + noun

5

The fraction is 3/4.

math answer

definite article

6

He gave me a fraction.

a piece

indirect object

7

Is this a fraction?

question

question form

8

I see a fraction.

visual

simple sentence

1

Only a fraction of the team arrived.

2

We saved a fraction of the time.

3

A fraction of the water was lost.

4

The fraction 1/4 is small.

5

She ate a fraction of the meal.

6

A fraction of the price is tax.

7

He did a fraction of the work.

8

Is that a fraction of the total?

1

Only a small fraction of the population voted.

2

The repair cost a fraction of the new car price.

3

He finished the race in a fraction of the time.

4

A significant fraction of the budget goes to rent.

5

The fraction of salt in the recipe is too high.

6

She kept a fraction of the profits.

7

A tiny fraction of the forest remains.

8

The fraction 5/8 is greater than 1/2.

1

The company controls a large fraction of the market.

2

It took a fraction of the expected effort to succeed.

3

Only a fraction of the original documents survived.

4

We are talking about a fraction of a percent.

5

The solution represents a fraction of the total problem.

6

A fraction of the light filtered through the trees.

7

He was a fraction of an inch from the target.

8

The results represent a tiny fraction of our findings.

1

The data accounts for a negligible fraction of the variance.

2

He was a fraction of his former, confident self.

3

A fraction of the population remains marginalized.

4

The political party holds only a fraction of the seats.

5

Her voice was a fraction quieter than before.

6

The project requires a fraction of the resources we anticipated.

7

He calculated the fraction of the total energy output.

8

The difference is a fraction of what we initially estimated.

1

The fraction of light absorbed by the atmosphere is critical.

2

He felt like a fraction of the man he used to be.

3

The painting captures a fraction of a fleeting moment.

4

The geopolitical shift represents a fraction of the impending change.

5

The study examines a tiny fraction of the biological diversity.

6

His contribution was but a fraction of the final achievement.

7

The fraction of the population living in poverty is rising.

8

The nuance is lost in a fraction of a second.

常见搭配

small fraction
tiny fraction
significant fraction
fraction of the time
fraction of the cost
represent a fraction
a fraction of a second
large fraction
fraction of the total
fraction of an inch

Idioms & Expressions

"a fraction of"

a small part

I paid a fraction of the price.

neutral

"in a fraction of a second"

very quickly

He was gone in a fraction of a second.

neutral

"a fraction of the size"

much smaller

The new house is a fraction of the size of the old one.

neutral

"a fraction of the effort"

less work

It took a fraction of the effort.

neutral

"only a fraction"

a very small amount

Only a fraction of the guests arrived.

neutral

"a fraction of the cost"

cheaply

We can do it for a fraction of the cost.

neutral

Easily Confused

fraction vs fracture

similar spelling

fracture is a break, fraction is a part

He had a fracture in his arm vs A fraction of the pie.

fraction vs percentage

both refer to parts

percentage is out of 100

A fraction of the group vs 50 percent of the group.

fraction vs portion

similar meaning

portion is more general

A portion of food vs a fraction of a number.

fraction vs segment

similar meaning

segment is a distinct section

A segment of the market vs a fraction of the cost.

Sentence Patterns

A1

Subject + is + a + fraction + of + noun

This is a fraction of the total.

A2

Verb + a + fraction + of + noun

He kept a fraction of the money.

B1

Adjective + fraction + of + noun

A tiny fraction of the group left.

B2

Subject + verb + in + a + fraction + of + time

She finished in a fraction of the time.

C1

Subject + represents + a + fraction + of + noun

It represents a fraction of the problem.

词族

Nouns

fraction a part of a whole

Verbs

fractionate to separate into fractions

Adjectives

fractional relating to a fraction

相关

fracture same etymological root

How to Use It

frequency

7

Formality Scale

academic (fractional) neutral (fraction) casual (a piece) slang (none)

常见错误

Using 'fraction' to mean 'percentage' Use 'percentage' for parts of 100
Fractions are ratios, percentages are specific proportions of 100.
Confusing 'fraction' with 'fracture' Fracture is a break (noun/verb)
Fracture is a medical or physical break; fraction is a mathematical part.
Using 'a fraction' without 'of' A fraction of the total
The word usually requires the preposition 'of' to connect it to the whole.
Misspelling as 'fracktion' Fraction
The correct spelling is with a 'c'.
Thinking a fraction must be a number It can be an abstract part
Fractions can describe time, effort, or money, not just math.

Tips

💡

Memory Palace

Imagine a pie being broken into pieces.

💡

Native Usage

Use it to describe small amounts.

🌍

Math Context

Essential for school.

💡

Grammar Rule

Always use 'of' after it.

💡

Say It Right

Stress the first syllable.

💡

Don't Mix

Don't confuse with fracture.

💡

Did You Know?

It comes from the Latin for breaking.

💡

Study Smart

Use it in sentences about your day.

💡

Professional Tip

Use it to sound precise.

💡

Countable

It is a countable noun.

Memorize It

Mnemonic

FRAC-tion: FRACture the whole into pieces.

Visual Association

A broken cookie.

Word Web

math part division whole ratio

挑战

Try to find 3 things in your room that are a fraction of the total space.

词源

Latin

Original meaning: a breaking

文化背景

None.

Used heavily in education and finance.

Used in many math textbooks and songs about time.

Practice in Real Life

Real-World Contexts

at school

  • solve the fraction
  • write the fraction
  • math class

at work

  • fraction of the budget
  • fraction of the time
  • market fraction

cooking

  • fraction of a cup
  • a small fraction of salt
  • measure the fraction

daily life

  • a fraction of a second
  • a fraction of the price
  • only a fraction

Conversation Starters

"What is a fraction of your day spent working?"

"Do you find math fractions difficult?"

"Can you think of something that cost a fraction of the price?"

"How would you explain a fraction to a child?"

"Is a significant fraction of your time spent online?"

Journal Prompts

Write about a time you saved a fraction of the time on a task.

Describe a situation where only a fraction of the people showed up.

How does the word 'fraction' apply to your goals?

What is a fraction of your life that you would change?

常见问题

8 个问题

Usually, but it can represent any part of a whole.

FRACK-shun.

The word 'fractionate' is a verb, but 'fraction' is a noun.

Yes, 'a fraction of a second' is common.

No, they are different ways to express parts.

Fractions.

No, it is neutral.

Yes, it is very common in academic papers.

自我测试

fill blank A1

A piece of a whole is a ___.

正确! 不太对。 正确答案: fraction

A fraction is a part of a whole.

multiple choice A2

Which is a fraction?

正确! 不太对。 正确答案: 1/2

1/2 is a mathematical fraction.

true false B1

A fraction is always a large amount.

正确! 不太对。 正确答案: 错误

A fraction is usually a small part of a whole.

match pairs B1

Word

意思

All matched!

Matches concepts to definitions.

sentence order B2

点击下方的词语来组成句子
正确! 不太对。 正确答案:

Common collocation order.

得分: /5

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