A1 noun خنثی #2,704 رایج‌ترین

円周

enshū /eɴɕɯː/

The distance around the outside of a circle. It is a mathematical term used to describe the perimeter or boundary line of a circular shape.

مثال‌ها

3 از 5
1

この池の円周は100メートルです。

The circumference of this pond is 100 meters.

2

円周の長さを正確に計算してください。

Please calculate the length of the circumference accurately.

3

円周って、どうやって測るの?

How do you measure the circumference?

خانواده کلمه

اسم
円周
مرتبط
円周率
💡

راهنمای حفظ

Think of 'En' (circle) and 'Shū' (around). It literally means 'around the circle'.

آزمون سریع

円の( )を求めるには、直径に3.14をかけます。

درسته!

پاسخ صحیح این است: 円周

مثال‌ها

1

この池の円周は100メートルです。

everyday

The circumference of this pond is 100 meters.

2

円周の長さを正確に計算してください。

formal

Please calculate the length of the circumference accurately.

3

円周って、どうやって測るの?

informal

How do you measure the circumference?

4

円周は直径に円周率を乗じて求められる。

academic

The circumference is obtained by multiplying the diameter by pi.

5

設計図に従い、製品の円周を検査します。

business

We will inspect the circumference of the product according to the blueprints.

خانواده کلمه

اسم
円周
مرتبط
円周率

ترکیب‌های رایج

円周を求める to calculate the circumference
円周を測る to measure the circumference
円周の長さ the length of the circumference
円周の一部 part of the circumference
円周上にある to be located on the circumference

عبارات رایج

円周率

Pi (3.14...)

円周角

Inscribed angle

円周軌道

Circular orbit

اغلب اشتباه گرفته می‌شود با

円周 vs 円周率

Enshū is the circumference (length), while Enshū-ritsu is the mathematical constant Pi (3.14).

円周 vs 面積

Enshū is the distance around the circle, while Menseki is the area inside it.

📝

نکات کاربردی

Mainly used in mathematics and engineering contexts. In casual conversation, 'mawari' (around/circumference) is more common.

⚠️

اشتباهات رایج

Learners often use 'enshū' when they mean the ratio 'enshū-ritsu' (Pi). Also, ensure not to confuse it with 'diameter' (chokkei).

💡

راهنمای حفظ

Think of 'En' (circle) and 'Shū' (around). It literally means 'around the circle'.

📖

ریشه کلمه

A Sino-Japanese compound: 'En' (circle) + 'Shū' (perimeter/circumference/week).

الگوهای دستوری

Used as a noun Often followed by the particle 'no' to describe attributes (e.g., 円周の長さ) No plural form as in standard Japanese nouns
🌍

بافت فرهنگی

Students in Japan learn this term in elementary school grade 5 during geometry lessons.

آزمون سریع

円の( )を求めるには、直径に3.14をかけます。

درسته!

پاسخ صحیح این است: 円周

لغات مرتبط

協力

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Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

提案

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A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

輸出

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The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

輸入

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The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

資源

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Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.

保護

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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.

観察

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Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

競争

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Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.

拡大

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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).

製造

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The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.

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