Aneroid
/ˈænərɔɪd/
Definition 1 of 1
Pro Tip 1/3Technical Term
Used in scientific or technical contexts, especially related to measuring instruments. 
The pilot checked the aneroid to ensure altitude accuracy.
Pro Tip 2/3No Liquids Inside
Emphasizes that 'aneroid' instruments do not contain any fluids for their operation. 
He preferred the aneroid barometer because it didn't risk spilling mercury like older models.
Pro Tip 3/3Precision Instruments
Highlights the use of 'aneroid' in devices requiring precise measurements, like pressure. 
The aneroid sphygmomanometer gave a more accurate blood pressure reading.
Compare with
Barometer
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