energizer

Thân thiện

A scientist uses an energizer to power a small robot.

Definition

Noun: 1. A device that supplies electrical energy: An object, typically a battery or a component within an electrical circuit, that provides power to make something operate. 2. Someone who imparts energy, vitality, and spirit to other people: A person whose enthusiasm, actions, or presence motivates and invigorates others.

Usage Examples

• As a device:
  • The remote control needs a new energizer; the batteries are dead.
  • This circuit uses a small solar panel as its energizer.
• As a person:
  • Our team coach is a real energizer; she always motivates us before a big game.
  • He's the energizer of the party, getting everyone to dance and have fun.

Advanced Usage

• The term can be used metaphorically for non-physical sources of motivation.
  • Her new idea was the energizer the project needed to move forward.

Variants and Related Words

• Energize (verb): To give energy to; to make active or vigorous.
  • A good night's sleep will energize you for the day ahead.
• Energy (noun): The capacity for vigorous activity; available power.
• Energizing (adjective): Imparting energy or vitality.
  • The speech had an energizing effect on the crowd.

Synonyms

• For a device: Power source, battery, cell, generator.
• For a person: Motivator, dynamo, spark plug, live wire, activator.

Related Idioms and Phrases

• The energizer bunny: A colloquial reference based on a popular battery brand mascot, used to describe a person who seems to have endless energy and never stops.
  • After working a full shift, she went for a run. She's like the energizer bunny!

Học thuật

Noun

1. a device that supplies electrical energy
2. someone who imparts energy and vitality and spirit to other people

Từ đồng nghĩa

• energiser
• vitalizer
• vitaliser
• animator