aneroid
/ˈænəˌrɔɪd/
adjective
- Not using liquid; containing no liquid, especially describing a type of barometer that uses a flexible metal box instead of mercury.
- Aneroid instruments are often more portable than their liquid-filled counterparts.
- The aneroid altimeter in the airplane gave accurate altitude readings.
- The hiker carried an aneroid barometer to predict weather changes.
noun
- An aneroid barometer or other aneroid instrument.
- The old aneroid on the wall still worked after fifty years.
- She bought a small aneroid for her camping kit.
- He checked the aneroid before heading out to sea.