Manometer

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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}.
     [1913 Webster] Manometric

From WordNet (r) 2.0 [wn]:

  manometer
       n : a pressure gauge for comparing pressures of a gas