adjective
- not using liquid, especially describing a barometer that measures atmospheric pressure without mercury or other fluid
Usage: technical
Examples
- The aneroid barometer uses a flexible metal chamber instead of mercury.
- Aneroid instruments are safer than mercury-based devices.
- The weather station installed an aneroid barometer for pressure readings.
- Aneroid altimeters are commonly used in aircraft.
- The aneroid capsule expands and contracts with pressure changes.
- Modern aneroid barometers are more portable than traditional mercury ones.