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for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them. -- Pneumatic dispatch, a system of tubes, leading to various points, through which letters, packages, etc., are sent, by the flow and pressure of air. -- Pneumatic elevator, a hoi…

The treatment of disease by inhalations of compressed or rarefied air.

A child's gun; a tube and rammer for shooting pellets, with a popping noise, by compression of air.

Ignition in an internal-combustion engine while the inlet valve is open or before compression is completed.

ing; to crowd or compel by a gradual and continued exertion; to bear upon; to squeeze; to compress; as, we press the ground with the feet when we walk; we press the couch on which we repose; we press substances with the hands, fingers, or arms; we are pressed in a crowd. Good measure, pressed down, and shaken together.…

A cake of compressed substance, as: in gunpowder manufacture, the cake resulting from compressing the meal powder; in the treatment of coal tar, the pressed product at various stages of the process; or, in beet-sugar manufacture, the vegetable residue after the sugar juice has been expressed.

One of a tribe of wading birds (Pressirostres) including those which have a compressed beak, as the plovers.

The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.

An extinct order of ganoid fishes. They had a compressed body, covered with dermal ribs (pleurolepida) and with enameled rhomboidal scales.

. -- Recurrent pulse (Physiol.), the pulse beat which appears (when the radial artery is compressed at the wrist) on the distal side of the point of pressure through the arteries of the palm of the hand. -- Recurrent sensibility (Physiol.), the sensibility manifested by the anterior, or motor, roots of the spinal cor…

In the clarinet it is a single fiat reed; in the oboe and bassoon it is double, forming a compressed tube.

Rock drill, an implement for drilling holes in rock; esp., a machine impelled by steam or compressed air, for drilling holes for blasting, etc. -- Rock duck (Zoöl.), the harlequin duck. -- Rock eel. (Zoöl.) See Gunnel. -- Rock goat (Zoöl.), a wild goat, or ibex. -- Rock hopper (Zoöl.), a penguin of the genus Catarr…

A lake whitefish (Coregonus quadrilateralis), less compressed than the common species. It is very abundant in British America and Alaska.

h. Nor in thy scabbard sheathe that famous blade. Fairfax. Scabbard fish (Zoöl.), a long, compressed, silver-colored tænioid fish (Lepidopus caudatus, or argyreus), found on the European coasts, and more abundantly about New Zealand, where it is called frostfish and considered an excellent food fish.…

Skevington's daughter], an instrument of torture invented by Sir W. Skevington, which so compressed the body as to force the blood to flow from nostrils. and sometimes from the hands and feet. Am. Cyc.

To squeeze, compress, crush, or bruise. [Obs. or Low] Spenser.

A mechanism (usually one operated by electricity, compressed air, a spring, or an explosive gas), attached to an internal- combustion engine, as on an automobile, and used as a means of starting the engine without cranking it by hand.

engine in using as fuel heavy oil which is injected in a spray just before the end of the compression stroke and is fired without electrical ignition. The fuel is sprayed into an iron box (called a hot bulb or hot pot) opening into the combustion chamber, and heated for ignition by a blast-lamp until the engine is runn…

ope; the markhoor. -- Serpent fish (Zoöl.), a fish (Cepola rubescens) with a long, thin, compressed body, and a band of red running lengthwise. -- Serpent star (Zoöl.), an ophiuran; a brittle star. -- Serpent's tongue (Paleon.), the fossil tooth of a shark; -- so called from its resemblance to a tongue with its root…

In a Whitehead torpedo, a compressed-air motor, for moving the rudders so as to correct deviations from the course.