This is the 6328th most frequent German word.
drehzahl
"Rotational speed" or "revolutions per unit of time."
The term 'Drehzahl' refers to the rotational speed or revolutions per minute (RPM) of a mechanical component, here specifically an engine.
Die Drehzahl des Motors ist entscheidend für die Leistung.
The engine's rotational speed is crucial for performance.
In this example, 'Drehzahl' denotes the adjustable RPM of a power tool, such as a drill machine.
Er stellte die Drehzahl der Bohrmaschine ein, bevor er mit der Arbeit begann.
He adjusted the drill's rotational speed before starting the task.
Here, 'Drehzahl' is used to describe the RPM of a vehicle's engine during operation, influencing fuel consumption and efficiency.