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The art of measuring the moisture in the atmosphere, and of bodies generally.

HYGROMETRIC, HYGROMETRICAL.

The part of physics which concerns the measurement of the dryness or humidity of the atmosphere. It is probable, that diseases are as frequently caused by the varying moisture of the atmosphere or by changes in its weight or temperature. The hygrometer ought, consequently, to form part of every apparatus for medical meteorological observations.

Measurement of moisture in atmosphere.

The measurement of the proportion of watery vapor in the air. [Gr.]

n. That branch of physics which relates to the determinations of the humidity of bodies, particularly of the atmosphere.