aneroid
Speech parts
1. aneroid - Noun
2. aneroid - Adjective
Meaning
Containing no liquid; -- said of a kind of barometer.
An aneroid barometer.
Source: Webster's dictionarySynonyms
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Examples
aneroid barometer
A second type of aneroid gauge uses deflection of a flexible membrane that separates regions of different pressure.
Analogue recording Barograph using five stacked aneroid barometer cells.
Other sensitive aircraft instruments such as air speed indicators and rate of climb indicators ( variometers ) have connections both to the internal part of the aneroid chamber and to an external enclosing chamber.
For example, an aneroid barometer uses rotary position as the signal to convey pressure information.
However, aneroid gauges can be used to measure the pressure of a liquid as well as a gas, and they are not the only type of gauge that can operate without fluid.