'Hydrometric pendulum' definitions:

Definition of 'Hydrometric pendulum'

From: GCIDE
  • 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]