陽子
A proton is a subatomic particle found in the nucleus of an atom that carries a positive electric charge. The number of protons in an atom's nucleus determines the chemical identity of that element.
Exemples
3 sur 5原子の真ん中には陽子があります。
There are protons in the center of an atom.
陽子の数は原子番号を決定する重要な要素です。
The number of protons is a key factor that determines the atomic number.
ねえ、陽子ってプラスの電気を持ってるんだよね?
Hey, protons have a positive charge, right?
Famille de mots
Astuce mémo
The first kanji 陽 (yō) means 'positive/sun' and 子 (ko) means 'particle/child'. So, it is the 'Positive Particle'.
Quiz rapide
原子核の中には、中性子と( )が含まれています。
Correct !
La bonne réponse est : b
Exemples
原子の真ん中には陽子があります。
everydayThere are protons in the center of an atom.
陽子の数は原子番号を決定する重要な要素です。
formalThe number of protons is a key factor that determines the atomic number.
ねえ、陽子ってプラスの電気を持ってるんだよね?
informalHey, protons have a positive charge, right?
水素原子は、一個の陽子と一個の電子で構成されている。
academicA hydrogen atom is composed of one proton and one electron.
当社は次世代の陽子線治療システムを開発しています。
businessOur company is developing a next-generation proton beam therapy system.
Famille de mots
Collocations courantes
Phrases Courantes
陽子線
proton beam
陽子ポンプ
proton pump
陽子勾配
proton gradient
Souvent confondu avec
A neutron (中性子) has no electric charge, whereas a proton (陽子) has a positive charge.
While spelled and pronounced the same (Yōko), this is also a very common traditional female name.
Notes d'usage
This word is primarily used in scientific, medical, and academic contexts. In daily life, if you hear 'Yōko', it is much more likely to be a person's name unless the conversation is about science.
Erreurs courantes
Beginners might mistake this for the female name Yōko in reading, as the Kanji are identical. In a physics context, ensure you don't confuse it with 'denshi' (electron).
Astuce mémo
The first kanji 陽 (yō) means 'positive/sun' and 子 (ko) means 'particle/child'. So, it is the 'Positive Particle'.
Origine du mot
A Japanese translation of the scientific term 'proton', using the kanji for 'positive' to reflect its electric charge.
Modèles grammaticaux
Contexte culturel
The name 'Yōko' (using these same characters) was one of the most popular female names in Japan during the mid-20th century, symbolizing a 'child of sunlight'.
Quiz rapide
原子核の中には、中性子と( )が含まれています。
Correct !
La bonne réponse est : b
Vocabulaire associé
Mots lis
保護
A1The 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
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.
拡大
A1The 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
A1The 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
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.
貯金
A1The 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
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.
利益
A1Refers 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
A1A 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
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.
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