MANOMETER

n. Ma'n-o*m'e*t-ur. Lat., manometrum (from navo*. thin, rare, and /nrrpoc, a measure). Fr., manomdtre, mano me.tre a, mercure et d air libre (1st def.). Ger., AT, nfrtnlntitche Wage (1st def.), Druckme er. 1. An instrument for measuring the density of gases or vapors, more rarely of liquids. 2. An instrument used to determine tin force of blood-pre ure, consisting of a long graduated tube filled with mercury, on the surface of wliii-h is a float carrying an indicator. The lower end of the tube A, ape; A, at; A, ah; A, all; Ch, chili; Ch, loch (Scottish); [s. 710]