Bourdon-tube gauge
[boo r-dn toob, -tyoob, bawr-, bohr-, boo r-dawn-]
noun Chemistry.
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.
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Origin of Bourdon-tube gauge
1900–05; named after E. Bourdon, 19th-century French inventor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019