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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…

Readily absorbing and retaining moisture; as, hygrometric substances, like potash.

An instrument which shows whether there is more or less moisture in the atmosphere, without indicating its amount.

ble of detection by the hygroscope; as, glass is often covered with a film of hygroscopic moisture.

The property possessed by vegetable tissues of absorbing or discharging moisture according to circumstances.

The science or art of comparing or measuring degrees of moisture. Evelyn.

ck or take in; to receive as by drinking; as, a person imbibes drink, or a sponge imbibes moisture.

en pure, or an fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances.…

A morbid condition produced by exhalations from decaying vegetable matter in contact with moisture, giving rise to fever and ague and many other symptoms characterized by their tendency to recur at definite and usually uniform intervals.

a table or register exhibiting the state of the air and its temperature, weight, dryness, moisture, motion, etc.

ch treats of the atmosphere and its phenomena, particularly of its variations of heat and moisture, of its winds, storms, etc.

Full of moisture. [R.]

Without moisture; dry. [R.]

ground, as over the roots of plants, to protect from heat, drought, etc., and to preserve moisture.

ss of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or alkali carbonate, is converted into nitrates.

h's surface, as the currents of the atmosphere and ocean, the secular variations in heat, moisture, magnetism, etc.; physical geography.

th grains bearing a stout twisted awn, which, by coiling and uncoiling through changes in moisture, propels the sharp-pointed and barbellate grain into the wool and flesh of sheep. It is found from Illinois westward. See Illustration in Appendix. -- Porcupine wood (Bot.), the hard outer wood of the cocoa palm; -- so c…

sually nitrogenous, which is liable to undergo decomposition when in contact with air and moisture at ordinary temperatures.

found me laid In balmy sweat, which with his beams the sun Soon dried, and on the reeking moisture fed. Milton. The coffee rooms reeked with tobacco. Macualay.

without buds, and having for its offices to fix the plant in the earth, to supply it with moisture and soluble matters, and sometimes to serve as a reservoir of nutriment for future growth. A true root, however, may never reach the ground, but may be attached to a wall, etc., as in the ivy, or may hang loosely in the a…