Water, a liquid, evaporates, and becomes a vapor in the atmosphere.
The atmosphere of course contains greater or less quantities of watery vapor arising from this cause and from the evaporation of liquid water.
It is well known that a cold pitcher in summer robs the vapor in the atmosphere of its heat, and causes it to be deposited on its own surface.
It gives the clouds a smart rap; it jostles the vapor so that the particles fall together more quickly; it makes the drops let go in double and treble ranks.
Several more months went by, and at last a pill of dragon-brain vapor had also been secured.
Their garments were so white, so transparent, so filmy and clinging, that they looked like elves robed in mountain-vapor rather than human creatures, .
The stars were merely conglomerated masses of heated vapor condensed by the work of ages into meteorites and from meteorites into worlds--and these went on rolling in their appointed orbits, for what reason nobody knew, but then nobody cared!
Light clouds, of whitishvapor rose incessantly from these lamps, and spread all around their balmy odor.
These are subterranean blow-holes of vapor containing sulphur, tellurium, and chlorine compounds, as well as super-heated steam.
The quicksilver vapor passes along this long pipe, which leads to several coils placed in a tank of running cold water.
An example of its illogical use may be shown by the consideration of a boiler operated in connection with a special economizer where the vapor produced by hydrogen is partially condensed by the economizer.
Vapor burners have never been in general use and will not be discussed.
This heat would reappear when the vapor was condensed, though in ordinary practice the vapor passes away uncondensed.
Allen recommended the use of a pair of bellows for forcing the sluggish vapor through the flue.
A depressing climate of vapor and an arid landscape told upon his health and upon that of his crew.
The spirit of doubt hanging over my head had injected into my veins a drop of poison; the vapor mounted to my head and I staggered like a drunken man.
The earth is dying; Herschell says it is of cold; who holds in his hand the drop of condensed vapor and watches it as it dries up, as an angler watches a grain of sand in his hand?
This will prevent the absorption of water vapor by (F) or (F') and serves as an aid in regulating the flow of air through the apparatus.
The addition of concentrated sulphuric acid to this solution reduces its vapor pressure so far that very little water is carried on by the air current, and this slight amount is absorbed by the calcium chloride in (E).
He has also established medical vapor baths in London, New York, and elsewhere; and is a gentleman of much skill and eminence in his profession.
For this purpose, the spirit-vapor bath should be used.
It may, however, be aided by inhaling the hot vapor of vinegar and water, or vapor from a decoction of hops, to which vinegar has been added.
The inhalation of the hot vapor of water or vinegar, or peppermint and water, is beneficial.
A small quantity (say thirty drops), may be poured upon a handkerchief or napkin, held about one inch from the nostrils and the vapor inhaled.
The night was dark and dumb, and, laden with salt scent, the dank vapor floated up from the sea.
It seemed, as they looked down in the darkness, to pass beneath them like short, smoky vapor that dazed the eyes and made the head giddy.
To convert from a liquid or solid state into vapor (usually) by the agency of heat; to dissipate in vapor or fumes.
A jet or current of water or vapor directed upon some part of the body to benefit it medicinally; a douche bath.
The change of vaporinto water, as in the formation of rain.
All Nature was changed; it seemed as though there were an icy vapor drawn over her.
A milky vapor hung tremulous over the surface of the waters.
It was like a white plume, this jet of vapor thrown far into space.
In ordinary photographic printing tungsten lamps are widely used, but in blue-printing the white flame-arc and the mercury-vapor lamp are generally employed.
This flashed in an atmosphere containing a vapor of a compound of silicon, became coated with silicon.
Thus a small quartz tube of incandescent mercury vapor will emit as much light as a long glass tube.
The same kind of seeds were planted in the two parts of the hothouse and all conditions were maintained the same, excepting that a mercury-vapor lamp was operated a few hours in the evening in one of them.
When soft carbons are used, the arc is larger and apparently this mass of vapor reduces the humming considerably.
However, when science contributed the mercury-vapor arc, developments were immediately begun which aimed to utilize this artificial source of steady powerful ultra-violet rays in light-therapy.
The energy in sunlight varies enormously, even on clear days, because the water-vapor in the atmosphere absorbs some of the radiant energy emitted by the sun.
In this field mercury-vapor lamps, arc-lamps, and tungsten photographic lamps are used.
Beck directed a stream of alcohol vaporat the arc and they were kept from oxidizing.
When the water-vapor content of the atmosphere is high, the sun, though it may appear as bright to the eye, in reality is not as hot as it would be if the water-vapor were not present.
Quartz transmits ultra-violet radiation, which is harmful to the eyes, and inasmuch as the mercury vapor emits such rays, a glass globe should be used to enclose the quartz tube when the lamp is used for ordinary lighting purposes.
It is preferable that an inflammable vapor should not be given off at temperatures under 120°F.
The tubes are inclined so that the mercury vapor which condenses will run back into the enlarged end, where a pool of mercury forms the negative electrode.
A dreamer saw the imprisoned vapor throw open the lid of a teakettle, and lo!
A flash, a detonation, proceeding from the furnace, near which Woellner stands, and all is once more concealed by the clouds ofvapor which fill the room.
By degrees the vision grew more distinct, and stood out from the surrounding vapor in bolder relief.
We had hoped to perceive Saint Lucia; but the atmosphere is too heavily charged with vapor to- day.
A west wind urged a scattered herd of clouds over the peaks, tumbled masses of white which puffed into transparent silver at the edges, and behind, long wraiths of vapor marked the path down which they had traveled.
This vapor floating in the air and blown about by winds, becomes chilled from one cause or another, gives up its heat, turns back into water, and falls as rain.
The sun, shining on the ocean, and turning water into vapor by its heat has already lifted it up for him.
A little wisp of tenuous vapor swirled toward the ant, a wisp of the same vapor that had gathered above the whole range of hills as a thin, low cloud.
And from the tips of most of the pointed hills little wisps of vapor rose up.
There seemed to be a layer of tenuous vapor upon their surfaces, which slowly rose and coiled, and gathered into a tiny cloudlet above their tips.
