alternator

/'ɔ:ltəneitə/

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Word: Alternator

Part of Speech: Noun

Definition: An alternator is a device that generates electricity by converting mechanical energy into electrical energy. It specifically produces alternating current (AC), which is a type of electrical current that changes direction periodically. Alternators are commonly found in automobiles, where they charge the battery and power the electrical system while the engine is running.

Usage Instructions

• The word "alternator" is used when talking about cars or electrical systems.
• It is not used in everyday conversation outside of technical contexts related to vehicles or electrical engineering.

Example Sentence

• "When my car wouldn't start, I discovered that the alternator was broken and needed to be replaced."

Advanced Usage

• In larger power systems, alternators can be used in power plants to generate electricity that is then distributed to homes and businesses.
• Understanding how an alternator works is essential for mechanics and engineers who deal with vehicle or electrical system repairs.

Word Variants

• Alternate (verb): To switch back and forth between options or choices.
• Alternating (adjective): Referring to a system or process that changes or occurs in turns, often used in phrases like "alternating current."

Different Meanings

• While "alternator" specifically refers to the electrical device, "alternate" can also mean something that occurs in turn or can be a substitute.

Synonyms

• Generator (though this is more general and can refer to devices that produce various types of electricity).
• Dynamo (often used for similar devices but usually generates direct current).

Idioms and Phrasal Verbs

• There are no specific idioms or phrasal verbs commonly associated with the word "alternator" since it is a technical term.

Summary

An alternator is crucial in vehicles for generating electricity, particularly in charging the battery and powering electrical components.

Academic

Noun

1. an old term for an electric generator that produces alternating current (especially in automobiles)