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Bourdon-tube gauge

[ boor-dn toob, -tyoob, bawr-, bohr-, boor-dawn- ]

noun

, Chemistry.
  1. 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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Word History and Origins

Origin of Bourdon-tube gauge1

1900–05; named after E. Bourdon, 19th-century French inventor

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Bourdon gaugebourg