窒素
Nitrogen is a colorless, odorless chemical element that makes up about 78 percent of the Earth's atmosphere. It is essential for all living things and is widely used in fertilizers and industrial cooling as liquid nitrogen.
Exemples
3 sur 5空気の約78パーセントは窒素です。
About 78 percent of the air is nitrogen.
窒素は植物の健全な成長に不可欠な成分です。
Nitrogen is an essential component for the healthy growth of plants.
ポテトチップスの袋には窒素が入っているから、中身が潰れないんだよ。
There is nitrogen in potato chip bags, so the contents don't get crushed.
Famille de mots
Astuce mémo
The kanji 窒 (Chitsu) means 'suffocate' or 'plug up.' Think: You would 'suffocate' (Chitsu) if there was only nitrogen and no oxygen.
Quiz rapide
植物が育つのに、（ ）肥料はとても重要です。
Correct !
La bonne réponse est : 窒素
Exemples
空気の約78パーセントは窒素です。
everydayAbout 78 percent of the air is nitrogen.
窒素は植物の健全な成長に不可欠な成分です。
formalNitrogen is an essential component for the healthy growth of plants.
ポテトチップスの袋には窒素が入っているから、中身が潰れないんだよ。
informalThere is nitrogen in potato chip bags, so the contents don't get crushed.
本実験では、試料を液体窒素で急速に冷却した。
academicIn this experiment, the sample was rapidly cooled using liquid nitrogen.
当社は高純度の窒素ガスを半導体メーカーに供給しています。
businessOur company supplies high-purity nitrogen gas to semiconductor manufacturers.
Famille de mots
Collocations courantes
Phrases Courantes
窒素を充填する
to fill with nitrogen
窒素が不足する
to be deficient in nitrogen
窒素を取り込む
to take in nitrogen
Souvent confondu avec
Suiso is Hydrogen (H), the lightest element, while Chisso is Nitrogen (N).
Sanso is Oxygen (O), which humans breathe to survive, whereas pure nitrogen causes suffocation.
Notes d'usage
The word is used in scientific and environmental contexts. It often appears in compound nouns like 'nitrogen fertilizer' (窒素肥料) in gardening or agriculture.
Erreurs courantes
Beginners sometimes confuse the kanji 窒 with other complex characters; remember that the top radical looks like a 'hole' (穴), which relates to the idea of suffocation/choking in a closed space.
Astuce mémo
The kanji 窒 (Chitsu) means 'suffocate' or 'plug up.' Think: You would 'suffocate' (Chitsu) if there was only nitrogen and no oxygen.
Origine du mot
Derived from the Dutch word 'stikstof' (suffocating substance), translated during the Edo period using the kanji for 'suffocate' (窒) and 'element' (素).
Modèles grammaticaux
Quiz rapide
植物が育つのに、（ ）肥料はとても重要です。
Correct !
La bonne réponse est : 窒素
Vocabulaire associé
Mots lis
協力
A1Cooperation 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
A1A 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
A1The 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
A1The 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
A1Shigen 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
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.
観察
A1Observation 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
A1Kyousou 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
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).
製造
A1The 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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