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Webster 1913 Edition
Manometer
Ma-nom′e-ter
,Noun.
[Gr. [GREEK] thin, rare +
-meter
: cf. F. manomètre
.] 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
. Webster 1828 Edition
Manometer
MANOM'ETER
,Noun.