barometer
1 of 1noun/bəˈrɑmɪtər/
Forms:barometers
1
a scientific instrument used to measure air pressure
C2Learn more on Wikipedia- Barometer readings are a useful indicator of how weather might differ at higher elevations compared to sea level.
- Sudden changes in the mercury barometer alerted sailors to unstable weather conditions at sea.
- The weather station uses a barometer to measure atmospheric pressure and predict changes in the weather.
- A sudden drop in the barometer reading often indicates that a storm is approaching.
- Sailors relied on the barometer to help them navigate safely by anticipating weather conditions at sea.