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The act of helping or aiding; help. [Obs.] Bailey.

The witch-hazel. [Obs.] Ainsworth.

a sensation of weight in (some part of the body); as, my lungs are oppressed by the damp air; excess of food oppresses the stomach.

se of drugs, for the measurement of the powers of vision and adaptation of lenses for the aid thereof."

Same as Alkanet, 2. Ainsworth.

Being on duty; keeping order; conveying orders. "Aids-de-camp and orderly men." Sir W. Scott. Orderly book (Mil.), a book for every company, in which the general and regimental orders are recorded. -- Orderly officer, the officer of the day, or that officer of a corps or regiment whose turn it is to supervise for the…

pparent; -- often used as opposed to real or actual; as, an ostensible reason, motive, or aim. D. Ramsay.

Appearance; air; mien. Shak.

lowing operations: First stroke, suction into cylinder of explosive charge, as of gas and air; second stroke, compression, ignition, and explosion of this charge; third stroke (the working stroke), expansion of the gases; fourth stroke, expulsion of the products of combustion from the cylinder. This is the cycle invent…

Being, or done, in the open air; being or done outside of certain buildings, as poorhouses, hospitals, etc.; as, outdoor exercise; outdoor relief; outdoor patients.

The act of going out; an airing; an excursion; as, a summer outing.

Being out of the house; being, or done, in the open air; outdoor; as, out-of-door exercise. See Out of door, under Out, adv. Amongst out-of-door delights. G. Eliot.

A patient who is outside a hospital, but receives medical aid from it.

One of the harmonics faintly heard with and above a tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or "partial" tone; a harmonic. See Harmoni…

A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also oxygenator.

A high and narrow tank, with a central cylinder for the introduction of compressed air, used in the agitation and settling of pulp (pulverized ore and water) during treatment by the cyanide process; -- so named because, though originally devised in New Zealand, it was first practically introduced in Pachuca, Mexico.…

To sort and arrange (the cards) in a pack so as to secure the game unfairly. And mighty dukes pack cards for half a crown. Pope.

Of or pertaining to the palate; palatine; as, the palatal bones.

is a silver-white metal resembling platinum, and like it permanent and untarnished in the air, but is more easily fusible. It is unique in its power of occluding hydrogen, which it does to the extent of nearly a thousand volumes, forming the alloy Pd2H. It is used for graduated circles and verniers, for plating certain…

d, often together with the bile, into the upper part of the intestines, and is a powerful aid in digestion. See Illust. of Digestive apparatus.