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- n. - An instrument for measuring the tension or elastic force
of gases, steam, etc., constructed usually on the principle of allowing
the gas to exert its elastic force in raising a column of mercury in an
open tube, or in compressing a portion of air or other gas in a closed
tube with mercury or other liquid intervening, or in bending a metallic
or other spring so as to set in motion an index; a pressure gauge. See
Pressure, and Illust. of Air pump.
- noun - A pressure gauge for comparing pressures of a gas
4 Syllable Words Starting with?