'Hydrometry' definitions:

Definition of 'hydrometry'

(from WordNet)
noun
The measurement of specific gravity [syn: hydrometry, gravimetry]

Definition of 'Hydrometry'

From: GCIDE
  • Hydrometry \Hy*drom"e*try\, n. [Cf. F. hydrom[`e]trique.]
  • 1. The art of determining the specific gravity of liquids, and thence the strength of spirituous liquors, saline solutions, etc. [1913 Webster]
  • 2. The art or operation of measuring the velocity or discharge of running water, as in rivers, etc. [1913 Webster]