diesel-electric
Definition
- Noun:
- A locomotive powered by electricity generated by a diesel engine: A "diesel-electric" is a type of railway engine where a diesel engine drives an electrical generator. The electricity produced then powers electric traction motors that turn the wheels.
Usage Examples
- Noun:
- The freight train was pulled by a powerful diesel-electric.
- Most modern mainline locomotives are diesel-electrics for their efficiency and power.
Advanced Usage
- The term is often used attributively (like an adjective) to describe the type of locomotive or its propulsion system.
- The company invested in a new fleet of diesel-electric locomotives.
- The diesel-electric powertrain is known for its reliability.
Variants and Related Words
- Diesel-electric locomotive: The full, more formal term.
- Diesel-electric transmission: The specific system that converts diesel engine power to electric drive.
Synonyms
- Diesel locomotive (Note: While often used interchangeably, "diesel locomotive" can sometimes refer to types with direct mechanical drive, whereas "diesel-electric" specifies the electrical transmission method.)
Related Phrases
- Diesel-hydraulic: A different type of locomotive where the diesel engine drives the wheels through a hydraulic transmission, as opposed to an electrical one.
Noun
-
a locomotive driven by the electric current generated by a diesel engine
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