Noah Webster
Hydrometer
HYDROM'ETER, noun [See Hydrometry.] An instrument to measure the gravity, density, velocity, force, etc. of water and other fluids, and the strength of spirituous liquors.
HYDROM'ETER, noun [See Hydrometry.] An instrument to measure the gravity, density, velocity, force, etc. of water and other fluids, and the strength of spirituous liquors.