diesel engine
Definition
- Noun:
- An internal combustion engine that operates using the Diesel cycle: A type of engine where air is compressed to a high temperature, and fuel (diesel oil) is then injected into this hot, compressed air, causing it to ignite spontaneously without a spark plug.
Usage
- The diesel engine is known for its high efficiency and torque, making it common in trucks, buses, ships, and some cars.
- A key characteristic of a diesel engine is its reliance on compression ignition.
Examples
Advanced Usage
- "diesel-engine" as an attributive noun: Used before another noun to describe something related to or powered by a diesel engine.
- The diesel-engine generator provided backup power.
- Technical context: Refers specifically to the engine designed by Rudolf Diesel, contrasting with gasoline (petrol) or electric engines.
Variants and Related Words
- Diesel (noun, informal): Often used as a shortened form to refer to the engine itself or to diesel fuel.
- My car runs on diesel.
- Diesel motor: A less common synonym.
- Compression-ignition engine: A technical term describing the operating principle.
Synonyms
- Oil engine (archaic/technical)
- Compression-ignition engine
Related Phrases/Compounds
- Diesel fuel: The heavy oil burned in a diesel engine.
- Diesel-electric: A drive system where a diesel engine powers an electric generator (e.g., in locomotives).
Noun
-
an internal-combustion engine that burns heavy oil
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