ابحث
Tachometer
01
عداد الدوران, مقياس السرعة
a measuring instrument displaying the revolutions per minute of an engine
tachometer
n
مثال
The tachometer was color-coded for easy revolutions per minute range identification.
The tachometer reading indicated a smooth engine performance.
They installed a digital tachometer for precise revolutions per minute measurement.
She noticed the tachometer needle spike during acceleration.
He monitored the tachometer to shift gears at optimal revolutions per minute.
