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See Cyamellone.

Of or pertaining to hydrometallurgy; involving the use of liquid reagents in the treatment or reduction of ores. -- Hy`dro*met`al*lur"gic*al*ly, adv.

The art or process of assaying or reducing ores by means of liquid reagents.

A meteor or atmospheric phenomenon dependent upon the vapor of water; -- in the pl., a general term for the whole aqueous phenomena of the atmosphere, as rain, snow, hail, etc. Nichol.

Of or pertaining to hydrometeorology, or to rain, clouds, storms, etc.

That branch of meteorology which relates to, or treats of, water in the atmosphere, or its phenomena, as rain, clouds, snow, hail, storms, etc.

by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.

Of or pertaining to an hydrometer, or to the determination of the specific gravity of fluids.

An instrument for determining and recording the quantity of water discharged from a pipe, orifice, etc., in a given time.

The art of determining the specific gravity of liquids, and thence the strength of spirituous liquors, saline solutions, etc.

A variety of potash mica containing water. It is less elastic than ordinary muscovite. Hydromica schist (Min.), a mica schist characterized by the presence of hydromica. It often has a silky luster and almost soapy feel.

An accumulation of urine in the pelvis of the kidney, occasioned by obstruction in the urinary passages.

A hydropathist.

Of or pertaining to hydropathy.

One who practices hydropathy; a water-cure doctor.

The water cure; a mode of treating diseases by the copious and frequent use of pure water, both internally and externally.

Same as Ascites.

A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.

Made transparent by immersion in water.

Any sea snake of the genus Hydrophys and allied genera. These snakes are venomous, live upon fishes, and have a flattened tail for swimming.