catalyst

/ˈkæt.əl.ɪst/

意味: 触媒、きっかけ

例文: Philo was catalyst for houseplant rebellion.
    フィロが観葉植物の反乱のきっかけに。

言葉のよくある組み合わせ: chemical catalyst(化学触媒), catalyst for change(変化の触媒), catalyst in reaction(反応の触媒)

定義: 触媒は化学反応を速める物質です。自分自身は変化しないが、他の物質の反応を助けます。化学以外でも、変化や出来事を引き起こすきっかけや要因を指すことがあります。

catalystは約200,000語に1回程度の頻出度です。

Table of Contents

Definitions(定義)

Noun: (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Noun: something that causes an important event to happen

Parts of Speech(品詞)

Noun

Examples(例文)

Noun: the invasion acted as a catalyst to unite the country

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): accelerator, catalyst

Antonyms(反意語): anticatalyst

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): activator, causal agent

Coordinate Terms(同じ上位語をもつもの): activating agent, agent, catalyst, cause of death, danger, destiny, deus ex machina, engine, first cause, nature, operator, person, power, sensitizer, supernatural, theurgy, vital principle

Hyponyms (Specific examples)(下位語): biocatalyst, enzyme, platinum black

Derivationally Related Words(派生語)

Derivationally Related Words: catalyze

Categories(カテゴリー)

Domain Categories: general

Usage Category: common

Usage Context: general

Grammatical Notes:

countable noun

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞):

Suffixes(接尾辞):

Exam Level

英検1級

Media Appearance(メディア登場例)

Books(洋書): Atomic Habits

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) No

Is Emotion Word?(感情的な言葉?) No

Emotion Categories:

If you like this article, please
Follow !

Let's share this post !
  • Copied the URL !

Comments

To comment

Table of Contents