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See Odometer.

Those insects which have a complete metamorphosis; metabola.

Having a complete metamorphosis;-said of certain insects, as the butterflies and bees.

An instrument for making of angular measurements.

An instrument for measuring time.

Belonging to horometry.

The art, practice, or method of measuring time by hours and subordinate divisions. "The horometry of antiquity." Sir T. Browne.

An instrument for determining the depth of the sea water by its pressure.

An instrument to measure the velocity of a liquid current by the force of its impact.

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.

etc., and called 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.

An instrument for measuring the degree of moisture of the atmosphere. Daniell's hygrometer, a form of hygrometer consisting of a bent glass tube terminating in two bulbs, the one covered with muslin, the other of black glass, and containing ether and a thermometer. Ether being poured on the muslin, the black ball, cool…

Of or pertaining to hygrometry; made with, or according to, the hygrometer; as, hygrometric observations.