speedometer
An instrument used to measure and display the instantaneous speed of a vehicle, typically in miles per hour or kilometers per hour.
Noun
pl: speedometers
This device provides a real-time reading of velocity, serving as a critical interface between the mechanical movement of a vehicle and the driver's perception of speed. It is typically integrated into the dashboard as part of a larger instrument cluster.
As a concrete noun, it follows standard English countability rules. It refers to a specific physical object, meaning it can be counted individually and possesses a regular plural form.
Meanings
Examples
The speedometer needle flickered before finally dying completely.