An instrument that measures the working speed of an engine (especially in a road vehicle), typically in revolutions per minute.
- Drivers watch their tachometers, which monitor RPMs, to get an idea of how fast they are going.
- I noted his tachometer, radar detector and exhaust pipe.
- The built-in tachometers and rpm-based automatic shifters that are incorporated into some delay boxes/devices may not be used for any purpose.
Words that rhyme with tachometeraccelerometer, anemometer, barometer, gasometer, geometer, manometer, micrometer, milometer, olfactometer, optometer, pedometer, photometer, pyrometer, speedometer, swingometer, thermometer
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