Bourdon-tube gauge: Meaning and Definition of
Pronunciation: (boor'dn tb", -tyb", bôr'-, bōr'-, boor-dôn'-), [key]
— Chem. Chem.
- an instrument for measuring the pressure of gases or liquids, consisting of a semicircular or coiled, flexible metal tube attached to a gauge that records the degree to which the tube is straightened by the pressure of the gas or liquid inside.