manometer

2 definitions found

manometer - Collaborative International Dictionary of English v.0.48 :

  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

manometer - WordNet (r) 2.1 (2005) :

  manometer
      n 1: a pressure gauge for comparing pressures of a gas