Manometer - Definition - Law Dictionary Home Dictionary Definition manometer

Definition :

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