inductor

inductor — noun

1. An electrical component found in circuits, typically a coil of wire, that stores

1.名詞B2
釋義

An electrical component found in circuits, typically a coil of wire, that stores energy in a magnetic field and opposes sudden changes in electric current.

例句

The technician soldered a new inductor onto the circuit board near the power supply.

When the current changes quickly, the inductor creates a magnetic field that opposes the change.

pattern: 'when + clause' describing inductor behaviour

同義詞
  • coil

    informal term describing the physical shape; used loosely in hobbyist contexts

  • choke

    an inductor designed specifically to block high-frequency AC signals

  • reactor

    a larger high-power inductor, used in power engineering

用法筆記

Commonly used in electronics and electrical engineering contexts. The physical form is usually a coil of copper wire wrapped around a core, but modern inductors can also be tiny surface-mount components.

常見錯誤

❌The inductor stores electrical charge like a battery.
✅The inductor stores energy in a magnetic field, while a capacitor stores it in an electric field.
💡Learners often confuse inductors with capacitors; inductors oppose current changes, capacitors store charge.

2. A person who formally admits someone into a position, organization, or group, es

2.名詞C1
釋義

A person who formally admits someone into a position, organization, or group, especially through a ceremony or ritual.

例句

The chief inductor of the society welcomed the twelve new members during the spring ceremony.

passive context: by-phrase shows the inductor's agent role

After the induction dinner, the inductor presented each candidate with a bronze medallion.

同義詞
  • initiator

    focuses on starting the admission process rather than performing the ceremony

  • installer

    used in the context of installing someone into a formal office, more common in British English

  • conductor

    similar-sounding but refers to leading or guiding, not formal admission

用法筆記

Almost always used in the context of formal societies, fraternal orders, or academic honors ceremonies. The person referred to is typically a senior member with an official ceremonial role.