Century Dictionary and Cyclopedia
- n. An air-chamber or air-holder, especially one which serves as a reservoir of air in certain machines, as in carbureters.
- n. The air-chamber of certain pumps. In the feed-pumps of a steam-boiler an air-vessel is used which serves both to equalize the flow of the water and to collect from it the free air which is an active agent in the corrosion of boilers. In pumping-engines working against considerable heads and into long rising mains, such air-vessels are made of great size to insure steady flow.
- n. In anatomy and zoology, a cavity of the body receiving, containing, or conveying atmospheric air; an air-tube, air-cell, or air-chamber; especially, a respiratory passage, as the windpipe of a vertebrate or the trachea of an insect.
- n. Also called air-reservoir.
“In one of these pieces is the screwed suction-cap F, and to the other is attached the air-vessel G, made of sheet-copper, and attached to the piece E by a screw.”
“The air-vessel should be placed clear of any other part of the engine, excepting only the point where it is attached.”
“Your letter to the _Gleaner_ explaining your views respecting the Dominion, and proposing that an air-vessel be christened 'The Canada,' is here, typed; you have only to sign it.”
“The colonists were now obliged to take refuge on the highest part of the islet, where nothing protected them from the weather, but fortunately a few tools had been left there, with the air pumps and the air-vessel, which”
“These enter the lungs and spread out along-side of the branches of the air-vessels, so that every air-vessel has a small artery running side by side with it.”
“The advantage of the Rotative herein, as before observed, consists in dispensing with the air-vessel.”
“When a fire was made under the air-vessel, the air became heated in its passage through the three pipes, from which it was conveyed through the stovepipe to the men's berths.”
“The air-vessel at the broad end of an incubated egg gradually extends its edges along the sides of the shell, as the chick enlarges, but is at the same time applied closer to the internal surface of the shell; when the time of hatching approaches the chick is liable to break this air-bag with its beak, and thence begin to breathe and to chirp; at this time the edges of the enlarged air-bag extend so as to cover internally one hemisphere of the egg;”
“For the preservation of the immature seed nature has used many ingenious methods; some are wrapped in down, as the seeds of the rose, bean, and cotton-plant; others are suspended in a large air-vessel, as those of the bladder-sena, staphylaea, and pea.] "So, late descry'd by HERSCHEL'S piercing sight,”
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