触媒
A substance that increases the rate of a chemical reaction without undergoing any permanent chemical change itself. Metaphorically, it refers to a person or event that causes an important change or action to happen more quickly.
Exemples
3 sur 5この会話が二人の仲直りの触媒になった。
This conversation served as the catalyst for the two of them making up.
政府の減税策が投資の触媒として機能している。
The government's tax reduction policy is functioning as a catalyst for investment.
彼の一言が、みんなが本気になる触媒だったね。
His one word was the catalyst that made everyone get serious, wasn't it?
Famille de mots
Astuce mémo
Think of 'Shoku' (touch) and 'Bai' (intermediary). A catalyst 'touches' the reaction as a 'mediator' to speed it up without disappearing.
Quiz rapide
そのイベントは、地域コミュニティが活性化するための（ ）になった。
Correct !
La bonne réponse est : 触媒
Exemples
この会話が二人の仲直りの触媒になった。
everydayThis conversation served as the catalyst for the two of them making up.
政府の減税策が投資の触媒として機能している。
formalThe government's tax reduction policy is functioning as a catalyst for investment.
彼の一言が、みんなが本気になる触媒だったね。
informalHis one word was the catalyst that made everyone get serious, wasn't it?
実験では、二酸化マンガンを触媒として酸素を発生させた。
academicIn the experiment, oxygen was generated using manganese dioxide as a catalyst.
この新技術は、業界全体のデジタル化の触媒となるだろう。
businessThis new technology will likely be the catalyst for the digitalization of the entire industry.
Famille de mots
Collocations courantes
Phrases Courantes
触媒の役割を果たす
to play the role of a catalyst
触媒として機能する
to function as a catalyst
不均一触媒
heterogeneous catalyst
Souvent confondu avec
Baitai (medium/media) is the vehicle for communication or transport, whereas Shokubai (catalyst) is the trigger for a reaction.
Baishitsu refers to the physical substance through which a wave (like sound) travels.
Notes d'usage
In daily conversation, it is almost always used metaphorically to describe something that triggers a change in human relationships or social situations.
Erreurs courantes
Learners sometimes use it to mean the 'main cause' of an event, but a catalyst technically assists the process without being consumed by it.
Astuce mémo
Think of 'Shoku' (touch) and 'Bai' (intermediary). A catalyst 'touches' the reaction as a 'mediator' to speed it up without disappearing.
Origine du mot
A kanji compound created to translate the Western scientific concept of a 'catalyst', using 'touch' and 'mediator'.
Modèles grammaticaux
Contexte culturel
In Japanese business leadership, a 'catalytic leader' (shokubai-gata leader) is one who brings out the best in their team without being overbearing.
Quiz rapide
そのイベントは、地域コミュニティが活性化するための（ ）になった。
Correct !
La bonne réponse est : 触媒
Vocabulaire associé
Mots lis
仮説
B1仮説とは、ある現象を説明するために、真偽はともかくとして、とりあえず設定した仮の答えのことです。科学的方法の出発点となり、実験や観察によって検証される必要があります。
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.
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