B2 noun #4,000 最常用 4分钟阅读

isolate

An isolate is a person, thing, or group that has been separated from everyone else.

Explanation at your level:

An isolate is something that is alone. Imagine you have many blocks, and you take one block away. That one block is now an isolate. It is not with the others. Scientists use this word when they study tiny things like germs. They take one germ and keep it by itself to learn more about it. It is a special word for being separate.

When we say something is an isolate, we mean it has been separated from a bigger group. You might hear this in a science class. If a student finds a special type of bacteria, they call it an isolate. It is a very specific, technical word. We use it when we want to talk about one thing that is standing apart from all the rest.

The noun isolate refers to an individual unit that has been separated from a larger context. This is very common in biology, where a 'bacterial isolate' is a sample grown in a laboratory. It is also used in linguistics to describe a language that has no known relationship to any other language family. It is a precise term used to highlight that something is unique or distinct.

In academic and professional contexts, an isolate is a specimen or entity extracted from a population for analysis. For instance, in epidemiology, scientists track a specific viral isolate to understand how a disease spreads. The term emphasizes the process of isolation and the resulting state of being independent. It is a formal word, so you will mostly see it in research papers, medical reports, or discussions about language evolution.

The term isolate functions as a noun to identify a discrete entity that has been removed from its original environment. Its usage is highly specialized; for example, it is used to denote a 'genetic isolate'—a population that has lived in relative isolation for a long time, leading to unique genetic markers. By using this word, you are signaling a focus on the specific, the singular, and the detached. It is a sophisticated way to describe items that have been removed from the collective to be studied or categorized in their own right.

Etymologically rooted in the concept of an island, the noun isolate has evolved into a cornerstone of scientific taxonomy. It represents the ultimate form of distinction: an entity that exists outside of a broader relational network. Whether referring to a 'language isolate' like Basque, which defies classification within the Indo-European family, or a 'microbial isolate' in a petri dish, the word carries a weight of purity and singularity. In discourse, employing this term suggests a high level of precision, distinguishing the speaker as someone comfortable with technical and scholarly nomenclature. It is not merely about being alone; it is about being fundamentally separate from the system to which one might otherwise belong.

30秒词汇

  • An isolate is a separate entity.
  • It is common in science and linguistics.
  • It comes from the word for island.
  • It is a formal, technical noun.

Hey there! Think of the word isolate as a way to describe something that is standing all alone. When we talk about an isolate as a noun, we are usually focusing on the act of separation.

In a science lab, researchers might take a tiny sample of bacteria and grow it in a dish. That specific culture is called an isolate because it is now separate from the original group. It is a very useful way to study things without any outside interference!

You might also hear this word in linguistics. A language isolate is a language that has no cousins or siblings in the world. It is like a family tree with only one person on it. It is pretty cool to think about how unique some things can be when they are truly on their own.

The word isolate has a fascinating journey. It comes from the Italian word isolato, which is related to isola, meaning 'island'. Just like an island is a piece of land surrounded by water, an isolate is something surrounded by 'nothingness' or separation.

It entered the English language in the late 18th century. Originally, it was used in chemistry to describe substances that had been purified or separated from their compounds. It is a perfect metaphor: if you are an island, you are alone, and if you are an isolate, you are distinct from the rest.

Over time, the word moved from chemistry into biology and linguistics. It is one of those rare words that kept its 'lonely' meaning throughout history. It is quite poetic that a word about being alone actually comes from the word for a beautiful, solitary island!

When you use isolate as a noun, you are usually in a formal or technical setting. You wouldn't typically use it at a dinner party to describe your friend who is sitting by themselves! Instead, you'd use it when talking about bacterial isolates or genetic isolates.

Common collocations include clinical isolate, which doctors use to describe a germ they have identified in a patient. You will also see language isolate, which is the standard term for a language that has no known relatives. It is a very precise word.

Because it sounds so scientific, it is best to keep it for academic or professional writing. If you are just talking about someone being alone, stick with 'loner' or 'solitary person'. Using isolate correctly shows you really know your technical vocabulary!

While isolate itself isn't the star of many idioms, it is related to the concept of being alone. Here are some ways we express that feeling:

  • Lone wolf: Someone who prefers to work or be alone.
  • Island of one: A situation where someone is completely disconnected from others.
  • Cut off: To be physically or socially separated from a group.
  • In a vacuum: When something happens without any outside influence or context.
  • Stand alone: To be unique or unsupported by others.

Using these expressions can help you describe the state of being an isolate in a more colorful way!

As a noun, isolate is countable. You can have one isolate or several isolates. It is often used with articles like 'an' or 'the'. For example, 'The researcher analyzed the isolate.'

Pronunciation can be tricky! In the US, it is usually pronounced EYE-suh-layt. The stress is on the first syllable. It rhymes with words like dilate, gyrate, and prolate.

Remember, when it is a noun, the stress is on the first syllable. If you were using it as a verb (to isolate), the stress shifts to the second syllable. Keep that distinction in mind to sound like a native speaker!

Fun Fact

It comes from the same root as 'insulate'!

Pronunciation Guide

UK /ˈaɪ.sə.leɪt/

Eye-suh-layt

US /ˈaɪ.sə.leɪt/

Eye-suh-layt

Common Errors

  • Stress on the wrong syllable
  • Pronouncing it like 'insolate'
  • Confusing the 's' sound

Rhymes With

dilate gyrate prolate translate inflate

Difficulty Rating

阅读 2/5

Easy for science students.

Writing 3/5

Requires formal context.

Speaking 3/5

Technical word.

听力 2/5

Clear pronunciation.

What to Learn Next

Prerequisites

sample separate alone

Learn Next

taxonomy culture specimen

高级

phenotype genotype epidemiology

Grammar to Know

Countable Nouns

One isolate, two isolates.

Articles

An isolate.

Stress Patterns

Noun vs Verb stress.

Examples by Level

1

The isolate is in the dish.

The separate thing is in the container.

Noun used with 'the'.

2

I found an isolate.

I discovered one separate thing.

Indefinite article 'an'.

3

This is a new isolate.

This is a new separate sample.

Subject-verb-noun.

4

The isolate is small.

The separate thing is tiny.

Adjective describing the noun.

5

Look at the isolate.

See the separate item.

Imperative sentence.

6

Is this an isolate?

Is this a separate sample?

Question structure.

7

The isolate is safe.

The separate sample is not dangerous.

Noun as subject.

8

We need the isolate.

We require the separate sample.

Transitive verb usage.

1

The scientist studied the isolate carefully.

2

They kept the isolate in a cold room.

3

This isolate is very rare.

4

Can you label the isolate?

5

The isolate grew quickly in the dish.

6

We found an isolate in the soil sample.

7

The lab tested the isolate for bacteria.

8

Each isolate is different.

1

The researchers identified a new bacterial isolate.

2

Basque is a well-known language isolate.

3

The isolate was sent to the central laboratory.

4

They compared the isolate with previous samples.

5

The genetic isolate showed unique traits.

6

He wrote a report on the clinical isolate.

7

The isolate was kept under strict conditions.

8

We need to purify the isolate further.

1

The study focuses on a specific viral isolate.

2

The population is considered a genetic isolate.

3

The isolate displayed resistance to common antibiotics.

4

Linguists are fascinated by this language isolate.

5

The isolate was extracted using advanced techniques.

6

The team analyzed the isolate's DNA sequence.

7

An isolate can reveal much about the parent group.

8

The data from the isolate was inconclusive.

1

The isolate exhibited phenotypic variations distinct from the parent strain.

2

As a language isolate, it provides a window into pre-Indo-European history.

3

The researchers isolated the isolate from the contaminated medium.

4

The isolate serves as a critical reference point for the study.

5

Genetic drift is common within a small, isolated isolate.

6

The isolate was categorized based on its unique metabolic pathways.

7

The discovery of the isolate challenged existing taxonomic assumptions.

8

The isolate was preserved in a cryogenic state for future research.

1

The isolate, a linguistic anomaly, defies all attempts at comparative reconstruction.

2

The microbial isolate demonstrated an unexpected resilience to environmental stress.

3

In the context of the study, the isolate acts as a control for systemic variables.

4

The isolate represents a unique evolutionary trajectory, detached from the main lineage.

5

The researchers meticulously documented the isolate's morphological characteristics.

6

The isolate's genome was sequenced to identify potential mutations.

7

The concept of the isolate is central to understanding population bottleneck effects.

8

The isolate stands as a testament to the diversity hidden within the broader population.

近义词

specimen strain outlier loner individual exception

反义词

常见搭配

bacterial isolate
language isolate
clinical isolate
genetic isolate
analyze an isolate
identify an isolate
purify an isolate
viral isolate
examine an isolate
study an isolate

Idioms & Expressions

"lone wolf"

someone who acts alone

He is a lone wolf at work.

casual

"in a vacuum"

without outside influence

We cannot study this in a vacuum.

formal

"stand alone"

to be independent

This theory stands alone.

neutral

"cut off"

isolated from others

They were cut off from help.

neutral

"on one's own"

by oneself

I did it on my own.

casual

"a law unto oneself"

someone who follows their own rules

She is a law unto herself.

formal

Easily Confused

isolate vs insulate

similar sound

insulate is for heat/sound

Insulate the pipes.

isolate vs isolate (verb)

same spelling

verb is an action

I will isolate the bacteria.

isolate vs loner

similar meaning

loner is for people

He is a loner.

isolate vs outlier

similar concept

outlier is a statistical term

The data point is an outlier.

Sentence Patterns

A2

The isolate was [adjective].

The isolate was pure.

B1

We identified an isolate of [noun].

We identified an isolate of bacteria.

B2

The isolate showed [noun].

The isolate showed growth.

C1

As an isolate, it [verb].

As an isolate, it remains unique.

C2

The study of the isolate [verb].

The study of the isolate continues.

词族

Nouns

isolation the state of being alone

Verbs

isolate to separate

Adjectives

isolated kept apart

相关

island etymological root

How to Use It

frequency

6

Formality Scale

Academic Scientific Formal Technical

常见错误

Using 'isolate' as a verb when a noun is needed. The isolate is here.
Isolate is a verb (to isolate) and a noun (an isolate).
Confusing 'isolate' with 'insulate'. Use 'insulate' for heat/sound.
Insulate means to protect from heat/electricity.
Using 'isolate' for people in daily life. Use 'loner' or 'solitary person'.
Isolate is technical.
Mispronouncing the noun. EYE-suh-layt.
Stress should be on the first syllable.
Thinking it means 'to be sad'. It just means 'to be separate'.
It describes a state, not an emotion.

Tips

💡

Memory Palace Trick

Imagine a tiny island in your room.

💡

When Native Speakers Use It

In labs or research meetings.

🌍

Cultural Insight

Scientists love precise words.

💡

Grammar Shortcut

Noun stress is on the first syllable.

💡

Say It Right

Say it like 'eye' + 'so' + 'late'.

💡

Don't Make This Mistake

Don't use it for people.

💡

Did You Know?

It comes from the word for island.

💡

Study Smart

Use it in a science sentence.

💡

Word Family

Learn isolation and isolate together.

💡

Context Matters

Always check if you are talking about science.

Memorize It

Mnemonic

I-SO-LATE: I am SO LATE, so I am all alone.

Visual Association

A single island in the middle of the ocean.

Word Web

Science Separation Language Island

挑战

Try to find three things in your room that are 'isolates' from their usual group.

词源

Italian

Original meaning: island

文化背景

None, it is a neutral scientific term.

Commonly used in scientific journals and news reports about diseases.

Used in many sci-fi movies about viruses. Common in linguistics textbooks.

Practice in Real Life

Real-World Contexts

at work

  • Isolate the sample
  • Analyze the isolate
  • Prepare the isolate

at school

  • What is an isolate?
  • Define the isolate
  • Study the isolate

in science

  • Bacterial isolate
  • Viral isolate
  • Genetic isolate

in linguistics

  • Language isolate
  • Classification of the isolate
  • Unique isolate

Conversation Starters

"Have you ever heard of a language isolate?"

"Why do scientists need to isolate bacteria?"

"What is the difference between an isolate and a sample?"

"Can you think of any other words that come from 'island'?"

"Why is it important to study isolates in medicine?"

Journal Prompts

Write about a time you felt like an isolate.

Explain why a language might become an isolate.

Describe a scientific experiment involving an isolate.

How does the word 'isolate' change your view of being alone?

常见问题

8 个问题

It is both! As a noun, it is a thing. As a verb, it is an action.

No, that would sound very strange and overly scientific.

A language that has no known relatives.

EYE-suh-layt.

It is common in science but rare in daily conversation.

Isolates.

No, insulate is about heat or sound protection.

The Italian word for island.

自我测试

fill blank A1

The ___ is in the dish.

正确! 不太对。 正确答案: isolate

Isolate is the noun for a sample.

multiple choice A2

Which means a separate thing?

正确! 不太对。 正确答案: isolate

Isolate means separate.

true false B1

An isolate is always a person.

正确! 不太对。 正确答案: 错误

It is usually a specimen or language.

match pairs B1

Word

意思

All matched!

Match the term to its meaning.

sentence order B2

点击下方的词语来组成句子
正确! 不太对。 正确答案:

Standard subject-verb structure.

fill blank B2

Basque is a language ___.

正确! 不太对。 正确答案: isolate

Basque is a language isolate.

multiple choice C1

What does a genetic isolate imply?

正确! 不太对。 正确答案: A separate population

It implies a distinct, separate population.

true false C1

Isolate is always a verb.

正确! 不太对。 正确答案: 错误

It is both a noun and a verb.

sentence order C2

点击下方的词语来组成句子
正确! 不太对。 正确答案:

Correct adverb placement.

multiple choice C2

Which is the root of isolate?

正确! 不太对。 正确答案: Island

It comes from the Italian word for island.

得分: /10

Related Content

在语境中学习

这个词在其他语言中

更多Science词汇

abbioly

C1

指在无生命系统中直观地识别类生命模式,或研究非标准生物结构。

abcapal

C1

在实验室环境中用于隔离敏感化学或生物样品的特殊保护膜或密封剂。它起到高精度屏障的作用,防止大气污染。

abheredcy

C1

To deviate or drift away from a prescribed standard, rule, or physical path, particularly while ostensibly trying to maintain a connection to it. It describes the act of subtle or unintentional departure from a strict protocol or alignment.

abhydrible

C1

指那些化学上抗水,且一旦脱水后无法重新水合的物质。

ablabive

C1

ablabive 指的是通过熔化、蒸发或手术切除等方式去除物质。

abphobency

C1

The characteristic or property of a surface or material that causes it to repel or resist substances like water, oil, or contaminants. It describes the physical state of being repellent rather than absorbent, often used in technical discussions about coatings.

abphotoion

C1

To remove or displace an ion from a molecular structure using concentrated light energy or radiation. It is a specialized term used in advanced physics and chemical engineering to describe the precise detachment of particles via photon interaction.

abpulssion

C1

The forceful driving away or outward thrust of a substance or object from a specific source. It is often used in technical or scientific contexts to describe the sudden rejection of a component or the mechanical discharge of energy.

absorption

B2

指液体被吸入,也指一个人全神贯注于某事,以至于忽略了周围的一切。

abvincfy

C1

To systematically isolate or decouple a specific component or variable from a larger, complex system in order to study it independently. This term is often used in experimental design or technical analysis to describe the process of removing confounding influences.

有帮助吗?
还没有评论。成为第一个分享想法的人!