Bourdon-tube gauge: Meaning and Definition of

Bour'don-tube gauge"

Pronunciation: (boor'dn tb", -tyb", br'-, b?r'-, boor-dn'-), [key]
? Chem. Chem.
  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.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.