半径
The distance from the center of a circle to its outer edge. It is half of the diameter and is used in both mathematical contexts and to describe a physical area around a specific point.
उदाहरण
3 / 5この公園は半径1キロ以内にあります。
This park is within a one-kilometer radius.
円の半径を計算してください。
Please calculate the radius of the circle.
俺の生活半径、最近すごく狭いんだ。
My living radius has been really small lately.
शब्द परिवार
याद रखने का तरीका
The first kanji '半' (han) means 'half'. Think of it as 'half' of the path (径) across the circle.
त्वरित क्विज़
この円の直径は10センチなので、_____は5センチです。
सही!
सही उत्तर है: a
उदाहरण
この公園は半径1キロ以内にあります。
everydayThis park is within a one-kilometer radius.
円の半径を計算してください。
formalPlease calculate the radius of the circle.
俺の生活半径、最近すごく狭いんだ。
informalMy living radius has been really small lately.
半径が2倍になると、円の面積は4倍になる。
academicWhen the radius doubles, the area of the circle quadruples.
駅を中心に半径500メートルのエリアを調査します。
businessWe will survey the area within a 500-meter radius centered on the station.
शब्द परिवार
सामान्य शब्द संयोजन
सामान्य वाक्यांश
半径5メートルの幸福
Happiness within a 5-meter radius (finding joy in immediate surroundings)
生活半径
one's daily living sphere
行動半径が広い
to have a wide range of activity
अक्सर इससे भ्रम होता है
Chokkei (diameter) is the full width of the circle passing through the center, while hankei is only half of that.
इस्तेमाल की जानकारी
While primarily a math term, it is very commonly used in daily conversation to talk about how far one travels or the area around a home/station.
सामान्य गलतियाँ
Learners often confuse the kanji for 'half' (半) and 'flat' (平), or mix up the reading with 'chokkei' (diameter).
याद रखने का तरीका
The first kanji '半' (han) means 'half'. Think of it as 'half' of the path (径) across the circle.
शब्द की उत्पत्ति
A Sino-Japanese compound of '半' (half) and '径' (path/diameter).
व्याकरण पैटर्न
सांस्कृतिक संदर्भ
The phrase 'radius of 5 meters' is often used in Japanese media to describe the personal, intimate space of one's direct social circle.
त्वरित क्विज़
この円の直径は10センチなので、_____は5センチです。
सही!
सही उत्तर है: a
संबंधित शब्दावली
संबंधित शब्द
unknown
A1A student attending a university or college for higher education. In Japan, it specifically refers to undergraduate students in a four-year university or a two-year junior college.
革命
A1A 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.
維持
A1The act of keeping something in its current state, condition, or level over a period of time. It is commonly used to describe the maintenance of health, systems, relationships, or the status quo.
縮小
A1The act of reducing the size, scale, or scope of something. It is commonly used when talking about downsizing operations, shrinking digital images, or narrowing the range of a project.
契約
A1A legally binding agreement between two or more parties that specifies terms and conditions. It is commonly used for mobile phones, apartment rentals, and employment agreements.
取引
A1A 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.
借金
A1A 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.
予算
A1A 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.
賃金
A1Chingin refers to the money paid to a worker in exchange for labor or services, similar to wages. It is frequently used in formal, legal, and economic contexts, particularly when discussing minimum wage or labor statistics.
降格
A1A noun or verb that describes a reduction in rank, status, or position within an organization or sports league. It is most commonly used when a worker is moved to a lower job title or when a sports team is moved to a lower division due to poor performance.
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