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manometer |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Manometer \Ma*nom"e*ter\, n. [Gr. ? thin, rare + -meter: cf F. manom[`e]tre.] 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}. From WordNet r 1.6 [wn]: manometer n : an instrument for comparing pressures
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