Moisture

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moisture

[′mȯis·chər]
(climatology)
The quantity of precipitation or the precipitation effectiveness.
(meteorology)
The water vapor content of the atmosphere, or the total water substance (gaseous, liquid, and solid) present in a given volume of air.
(physical chemistry)
Water that is dispersed through a gas in the form of water vapor or small droplets, dispersed through a solid, or condensed on the surface of a solid.

Moisture

 

the water content of physical bodies. Moisture depends upon the relative humidity of the surrounding environment, upon the nature of the substance, and, in solids, also upon the degree of porosity and the size of the particles—that is, the general dimensions of the interior and exterior surfaces of the objects. The concept of moisture does not include the content of crystalline water or of chemically bound, so-called constitutional, water—for example, the H2O that is produced only during chemical decomposition.

Moisture is usually characterized by the quantity of water in a substance, expressed in the percentage of the original mass of the moist substance (moisture by mass) or its volume (volume moisture). Moisture can also be characterized as the moisture content, or absolute moisture—the quantity of water relative to a unit of weight of the dry portion of the substance. It is of great significance to the national economy to establish the acceptable degree of moisture for many products and materials; such substances as grain or cement are only useful up to a certain moisture content. The vitality of animal and plant organisms is possible only within certain limits of moisture and relative humidity of the surrounding atmosphere.

References in classic literature ?
Fishes are not animals, and they are as cold and moist as the vegetables themselves.
Well," she said, smiling, for in her own heart she could not help studying this double love of the prisoner for herself and for the black tulip, "I have done things on a large scale; I have prepared a bed as you described it to me, on a clear spot, far from trees and walls, in a soil slightly mixed with sand, rather moist than dry without a fragment of stone or pebble.
I don't understand what the moist sugar has got to do with it, Sir.
Then I'll show you," said Sir Patrick, crossing his legs, and setting in comfortably for a good talk "You go to the tea-shop, and get your moist sugar.
Internally, whether in the globe or animal body, it is a moist thick lobe, a word especially applicable to the liver and lungs and the leaves of fat (jnai, labor, lapsus, to flow or slip downward, a lapsing; jiais, globus, lobe, globe; also lap, flap, and many other words); externally a dry thin leaf, even as the f and v are a pressed and dried b.
Most of the hay was cut, but the last week had been very unfavourable; and now that fine weather was come at last, being determined to make the most of it, I had gathered all hands together into the hay-field, and was working away myself, in the midst of them, in my shirt-sleeves, with a light, shady straw hat on my head, catching up armfuls of moist, reeking grass, and shaking it out to the four winds of heaven, at the head of a goodly file of servants and hirelings - intending so to labour, from morning till night, with as much zeal and assiduity as I could look for from any of them, as well to prosper the work by my own exertion as to animate the workers by my example - when lo
Near the spot where we noticed the traces of the neat boots and the disappearance of the rough ones, there was a square hole, freshly made in the moist ground, where a stone had evidently been removed.
The eyes of both of us, I think, were moist with the joy of success.
For that the Superman may not lack his dragon, the superdragon that is worthy of him, there must still much warm sun glow on moist virgin forests!
As he stood there for a moment, listening, his face became moist with the drifting vapour.
Yes, everything's brought to such a pitch of perfection nowadays," said Stepan Arkadyevitch, with a moist and blissful yawn.
I should like well to hear them neigh over their hardly earned feed of corn, and see them, with their moist necks freed from the harness, dipping their eager nostrils into the muddy pond.