hydrometric, a.
(haɪdrəʊˈmɛtrɪk)
[f. as hydrometry + -ic. Cf. F. hydrométrique.]
1. Of or pertaining to hydrometry, or to the determination of specific gravity by the hydrometer.
| 1828 in Webster. 1860 Maury Phys. Geog. Sea ix. §447 In order to weigh the seas in this manner, it is necessary that the little hydrometric balance by which it is to be done should be well and truly adjusted. |
2. Relating to the measurement of the velocity and force of currents.
‘Hydrometric pendulum, a current-gage. An instrument consisting of a ball suspended from the center of a graduated quadrant, and held in a stream to mark by its deflection the rate of motion of the water’ (Knight Dict. Mech. 1875).
| 1864 in Webster. |
So hydroˈmetrical a. = prec.
| 1779 Mann in Phil. Trans. LXIX. 654 The hydrometrical principles laid down in this essay. 1807 P. Jonas (title) A Complete Set of Hydrometrical Tables. |