ergometer
/ɜrˈɡɑmɪtər/
noun
- A device that measures the amount of work or exercise a person does, often used in fitness training or medical testing.
- She set a new personal record on the rowing ergometer during practice.
- The gym has several ergometers, including rowing machines and stationary bikes.
- The doctor used an ergometer to measure the patient's heart rate during exercise.