hydrometric pendulum

1 definition found

hydrometric pendulum - Collaborative International Dictionary of English v.0.48 :

  Hydrometric \Hy`dro*met"ric\, Hydrometrical \Hy`dro*met"ric*al\,
     a. [Cf. F. hydrom[`e]trique.]
     1. Of or pertaining to an hydrometer, or to the determination
        of the specific gravity of fluids.
        [1913 Webster]
  
     2. Of or pertaining to measurement of the velocity,
        discharge, etc., of running water.
        [1913 Webster]
  
     3. Made by means of an hydrometer; as, hydrometric
        observations.
        [1913 Webster]
  
     Hydrometric pendulum, a species of hydrometer consisting of
        a hollow ball of ivory or metal suspended by a treated
        from the center of a graduated quadrant, and held in a
        stream to measure the velocity of the water by the
        inclination given to the thread; a kind of current gauge.
        [1913 Webster]