/ Dictionary / Index B Bourdon-tube gauge: Meaning and Definition of Find definitions for: Bour'don-tube gauge" 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bourdon bourg Related Content Daily Word Quiz: ingenuity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language