induction

/ɪnˈdʌkʃn/ (bre, ipa) · /ɪnˈdʌkʃn/ (ame, ipa) · /in-ˈdək-shən/ (ame, mw)

induction — 名詞

  • inductionsingular
  • inductionsplural

1. a formal ceremony at which a person becomes an official member of a group, organ

1.名詞B2
釋義

就職入會

正式加入新組織的典禮

a formal ceremony at which a person becomes an official member of a group, organization, or position.

例句

João's induction into the Hall of Fame was attended by hundreds of cheering fans.

João 入選名人堂的儀式吸引了數百名熱情粉絲到場。

induction into + group/position

The mayor gave a speech at the induction ceremony for the new fire chief.

市長在新的消防隊長就職儀式上發表演說。

collocation: induction ceremony

同義詞
  • initiation

    less formal and often implies a ritual within a smaller group rather than a public ceremony

  • installation

    focuses on putting someone into an official position, often a political or religious role

  • investiture

    very formal; usually involves handing over symbols of authority like a robe or a medal

文法句型

induction + into + organization/group/position

用法筆記

Commonly paired with 'into' to specify the group or position (e.g. induction into the army, induction into the Hall of Fame).

常見錯誤

❌She went to his induction for joining the club.
✅She went to his induction into the club.
💡Use 'into,' not 'for joining,' after 'induction.'

2. a period of time during which a person who has just joined a company or organiza

2.名詞B2
釋義

入職培訓

新進人員認識組織的學習期

a period of time during which a person who has just joined a company or organization learns about how it works, its rules, and its people.

例句

All new employees complete a two-week induction before they start their real jobs.

所有新進員工在開始正式工作前，都要完成為期兩週的入職培訓。

collocation: two-week induction

Darius found the induction programme helpful because it explained the office systems clearly.

Darius 覺得入職培訓計畫很有幫助，因為它清楚說明了辦公室的各項系統。

collocation: induction programme

同義詞
  • orientation

    the standard term in American English; 'induction' sounds more British

  • onboarding

    modern business term covering the entire process of integrating a new hire, not just the training period

文法句型

induction + noun (programme/course/day)

用法筆記

Much more common in British English than American English. In the US, 'orientation' is the usual term for this concept.

常見錯誤

❌I had an induction of the company.
✅I had a company induction.
💡Use 'induction' as an attributive noun or with 'for/to,' not 'of.'

3. the act of deliberately making a process or event begin, especially the medical

3.名詞C1
釋義

誘發；引發

使某個過程或事件開始發生

the act of deliberately making a process or event begin, especially the medical procedure of starting a woman's labor using drugs.

例句

The doctor recommended induction of labor because the baby was two weeks overdue.

醫生建議引產，因為胎兒已超過預產期兩週。

collocation: induction of labor

Élise studied the effects of drug induction on sleep patterns in hospital patients.

Élise 研究了藥物誘發睡眠對住院病人睡眠模式的影響。

同義詞
  • initiation

    gentler and broader; does not carry the medical connotation of 'induction'

  • triggering

    more informal and suggests a quick, direct cause rather than a deliberate medical process

反義詞
  • prevention

    an act that stops something from happening rather than making it begin

文法句型

induction + of + process/event

用法筆記

When used without qualification in a medical context, 'induction' most commonly refers to inducing labor. In general contexts, specify the process (e.g. 'induction of sleep,' 'induction of vomiting').

常見錯誤

❌The induction was performed on the mother.
✅The induction of labor was performed.
💡Clarify what is being induced; 'induction' alone may be unclear in a medical context.

4. a way of thinking that starts with specific facts or examples and reaches a gene

4.名詞C1
釋義

歸納法

從具體事例推導出普遍原則

a way of thinking that starts with specific facts or examples and reaches a general rule or principle based on them.

例句

Through induction, scientists learned that heavy objects fall at the same speed regardless of weight.

科學家透過歸納法得知，重物不論輕重，掉落的速度都相同。

prepositional phrase: through induction

Induction and deduction are two basic methods of reasoning used in philosophy and science.

歸納法與演繹法是哲學與科學中兩種基本的推理方法。

同義詞
  • inference

    broader term that covers both induction and deduction; refers to any conclusion reached from evidence

  • generalization

    less formal; describes the result of induction rather than the method itself

反義詞
  • deduction

    reasoning from a general principle to a specific case — the opposite direction of logical movement

文法句型

by induction

induction + from + specific instances

用法筆記

Distinguish from sense 1 (ceremony) and sense 5 (electricity) — this sense belongs to formal reasoning. In academic writing, 'induction' is often paired with 'deduction' as the two broad categories of logical inference.

常見錯誤

❌Using induction, I went from a general rule to a specific fact.
✅Using deduction, I went from a general rule to a specific fact.
💡Induction moves from specific to general; deduction moves from general to specific.

5. a physical phenomenon in which an electric current or magnetic effect appears in

5.名詞C1
釋義

電磁感應

無需接觸的電能傳遞過程

a physical phenomenon in which an electric current or magnetic effect appears in an object because a second object is near it, without any direct contact between them.

例句

Wireless phone chargers use electromagnetic induction to transfer power across a short gap.

無線手機充電器利用電磁感應，在短距離內傳輸電力。

collocation: electromagnetic induction

Michael Faraday discovered electromagnetic induction in the early nineteenth century.

Michael Faraday 在十九世紀初發現了電磁感應。

文法句型

electromagnetic induction

magnetic induction

用法筆記

Frequently modified by 'electromagnetic' or 'magnetic' to distinguish this scientific concept from other meanings of the word. The verb form is 'induce' (e.g. 'a moving magnet induces a current').

常見錯誤

❌Induction happens when two objects touch.
✅Induction happens when two objects are close but do NOT touch.
💡The defining feature of induction is contactless transfer.

6. a method of cooking that uses an electromagnetic field produced by coils under t

6.名詞B2
釋義

電磁爐烹飪

利用電磁場加熱鍋具的烹飪方式

a method of cooking that uses an electromagnetic field produced by coils under the surface to heat pots and pans directly, without a flame or heated ring.

例句

Eshe replaced her old gas stove with an induction cooktop that uses less energy.

Eshe 把舊的瓦斯爐換成了更省電的電磁爐。

collocation: induction cooktop

You need special pans made of magnetic metal for induction cooking to work properly.

電磁爐烹飪必須使用具有磁性的金屬鍋具，才能正常加熱。

文法句型

induction + cooking/hob/cooktop

用法筆記

This sense is a practical application of electromagnetic induction (sense 5). In British English, the flat cooking surface is called an 'induction hob'; in American English it is called an 'induction cooktop.'

常見錯誤

❌You can use any pan on an induction hob.
✅You must use pans made of magnetic metal for an induction hob to work.
💡Regular aluminium or glass pans will not heat on an induction cooktop.