ignition key
Học thuậtThân thiện
Definition
- Noun:
- A key that operates the ignition switch of an automotive engine: A physical key designed to be inserted into and turned in a vehicle's ignition switch to start the engine and power the vehicle's electrical systems.
Usage
- The term "ignition key" specifically refers to the key for a motor vehicle's ignition system. It is used when discussing starting a car, security, or loss of access to a vehicle.
- It is typically used in singular form ("the ignition key") but can be pluralized when referring to multiple keys ("spare ignition keys").
Examples
- Noun:
- I turned the ignition key and the engine started smoothly.
- She realized she had left her ignition key on the kitchen counter.
- Modern cars often have keyless systems, replacing the traditional metal ignition key.
Advanced Usage
- "to leave the ignition key in the car": An act of leaving the key in the ignition switch, often implying carelessness or a security risk.
- He was fined for leaving the ignition key in an unattended vehicle.
Variants and Related Words
Key fob (n): A remote control device, often attached to a key ring, used for keyless entry and sometimes containing the ignition key or its electronic equivalent.
- My key fob unlocks the doors and also has a hidden mechanical ignition key inside.
Ignition switch (n): The electrical switch in a vehicle, operated by the ignition key, that activates the starter and the engine's electrical circuits.
- The mechanic replaced the faulty ignition switch.
Synonyms
- Car key (n): A general term for a key used to operate a car, which may include the ignition key as its primary function.
- Starter key (n): A less common synonym emphasizing the function of starting the engine.
Related Phrases
- Ignition key cylinder: The part of the ignition switch where the key is inserted.
- The thief damaged the ignition key cylinder trying to hot-wire the car.
Noun
- a key that operates the ignition switch of an automotive engine