A1 noun Neutro #2,783 mais comum

感染

kansen /kaɰ̃seɴ/

Infection refers to the process where viruses or bacteria enter the body and multiply. It is also used metaphorically for the spread of emotions, computer viruses, or habits.

Exemplos

3 de 5
1

風邪の感染を防ぐために、毎日手を洗います。

I wash my hands every day to prevent cold infection.

2

ウイルス感染拡大の影響で、イベントは中止になりました。

The event was canceled due to the spread of the viral infection.

3

あいつのあくび、すぐに感染するから面白いよね。

It's funny how his yawns are so infectious.

Família de palavras

Substantivo
感染
Verb
感染する
Relacionado
感染症
💡

Dica de memorização

Think of the kanji: 感 (kan - feeling/influence) and 染 (sen - dye/stain). An infection 'stains' your body with the 'influence' of a virus.

Quiz rápido

冬はインフルエンザの___が広がりやすい季節です。

Correto!

A resposta correta é: 感染

Exemplos

1

風邪の感染を防ぐために、毎日手を洗います。

everyday

I wash my hands every day to prevent cold infection.

2

ウイルス感染拡大の影響で、イベントは中止になりました。

formal

The event was canceled due to the spread of the viral infection.

3

あいつのあくび、すぐに感染するから面白いよね。

informal

It's funny how his yawns are so infectious.

4

この論文は、特定の細菌による感染経路を研究している。

academic

This paper investigates the infection routes of specific bacteria.

5

社内での集団感染を防ぐため、リモートワークを推奨します。

business

We recommend remote work to prevent mass infection within the company.

Família de palavras

Substantivo
感染
Verb
感染する
Relacionado
感染症

Colocações comuns

感染経路 infection route
二次感染 secondary infection
感染対策 infection control measures
感染者数 number of infected people
院内感染 hospital-acquired infection

Frases Comuns

感染力が強い

highly infectious / strong infectivity

感染を広げる

to spread an infection

コンピューター感染

computer virus infection

Frequentemente confundido com

感染 vs 伝染

Densen specifically emphasizes the spread from one person/animal to another, while kansen is the general biological process of being infected.

感染 vs 汚染

Ousen refers to environmental pollution or contamination of objects, rather than biological infection of a living host.

📝

Notas de uso

Kansen is a versatile word used for medical, digital (computers), and social (emotions/habits) contexts. It is frequently turned into a verb by adding 'suru'.

⚠️

Erros comuns

Learners often use 'kansen' for general pollution (like air pollution), but 'ousen' should be used instead. Also, remember to use the particle 'ni' for the source (e.g., virus ni kansen suru).

💡

Dica de memorização

Think of the kanji: 感 (kan - feeling/influence) and 染 (sen - dye/stain). An infection 'stains' your body with the 'influence' of a virus.

📖

Origem da palavra

Derived from Middle Chinese, where 'kan' means to move or influence, and 'sen' means to dye or catch. Together they mean 'to be influenced and stained.'

Padrões gramaticais

Noun + に感染する (to be infected with...) Noun + からの感染 (infection from...)
🌍

Contexto cultural

In Japan, wearing masks is a common social etiquette for 'kansen yobou' (infection prevention), even before the COVID-19 pandemic.

Quiz rápido

冬はインフルエンザの___が広がりやすい季節です。

Correto!

A resposta correta é: 感染

Palavras relacionadas

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

革命

A1

A fundamental and sudden change in political power or social structure, often involving a shift in governance. It also refers to a major, transformative shift in technology, thought, or a specific field that completely alters how things are done.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

販売

A1

The act of selling goods or services to customers, typically within a commercial or professional context. It refers to the business process of making items available for purchase.

取引

A1

A transaction or business deal involving the exchange of money, goods, or services. It refers to the process of doing business with another party or making a trade.

貯金

A1

The act of saving money or the amount of money saved, typically in a bank or a piggy bank. It refers to setting aside funds for future use rather than spending them immediately.

借金

A1

A sum of money that is borrowed from a person or an institution and is expected to be paid back. It refers to the state of owing money or the specific amount of debt accumulated.

利益

A1

Refers to the financial profit a company or individual makes after deducting expenses. It also describes a general benefit, advantage, or gain that someone receives from a situation or action.

損失

A1

A formal noun referring to the loss of something valuable, such as money, property, or time. It is commonly used in business or serious contexts to describe a reduction in value or a disadvantageous outcome.

予算

A1

A budget or an estimate of the amount of money available for a specific purpose. It refers to the financial plan or limit set before spending occurs in personal, business, or government contexts.

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