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y. See Atmospheric railway, under Atmospheric. -- Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by compressing a gas will ignite substances. -- Pneumatic trough, a trough, generally made of wood or sheet metal, having a perforated shelf, and used, wh…

The space, at one end, between opposite trusses when these are terminated by inclined braces.

. pottle of strawberries in one hand. Dickens. Pottle draught, taking a pottle of liquor at one draught. [ Prov. Eng.] Halliwell.

Applied force; force producing motion or pressure; as, the power applied at one and of a lever to lift a weight at the other end.

pecially, a supplication addressed to God; as, a written or extemporaneous prayer; to repeat one's prayers. He made those excellent prayers which were published immediately after his death. Bp. Fell. Prayer book, a book containing devotional prayers. -- Prayer meeting, a meeting or gathering for prayer to God.…

e Emperor Augustus in nine cohorts of 1,000 men each. -- Pretorian gate (Rom. Antiq.), that one of the four gates in a camp which lay next the enemy. Brande & C.

That which is embraced by eye in vision; the region which the eye overlooks at one time; view; scene; outlook. His eye discovers unaware The goodly prospect of some foreign land. Milton.

That one of a series of sulphides of any element which has the lowest proportion of sulphur; a sulphide with but one atom of sulphur in the molecule.

That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b). protoxide of nitrogen, laughing gas, now called hyponitrous oxideNO. See under Laughing.

he columns at the sides attached to the walls, and an ambulatory only at the ends or only at one end. -- n.

A tool, usually of steel, variously shaped at one end for different uses, and either solid, for stamping or for perforating holes in metallic plates and other substances, or hollow and sharpedged, for cutting out blanks, as for buttons, steel pens, jewelry, and the like; a die.

A flat file having the handle at one side, so as to be used like a plane.

limb of a sextant or other angular instrument. Knight. Radius bar (Math.), a bar pivoted at one end, about which it swings, and having its other end attached to a piece which it causes to move in a circular arc. -- Radius of curvature. See under Curvature.

anged; to be set or disposed, an in a particular degree, class, order, or division. Let that one article rank with the rest. Shak.

rill, a portable machine for working a drill by hand, consisting of a hand lever carrying at one end a drill holder which is revolved by means of a ratchet wheel and pawl, by swinging the lever back and forth. -- Ratchet wheel (Mach.), a circular wheel having teeth, usually angular, with which a reciprocating pawl eng…

f-ray. Bundle of rays. (Geom.) See Pencil of rays, below. -- Extraordinary ray (Opt.), that one or two parts of a ray divided by double refraction which does not follow the ordinary law of refraction. -- Ordinary ray (Opt.) that one of the two parts of a ray divided by double refraction which follows the usual or ord…

Prepared for what one is about to do or experience; equipped or supplied with what is needed for some act or event; prepared for immediate movement or action; as, the troops are ready to march; ready for the journey. "When she redy was." Chaucer.

An instrument with two arms that are pivoted together at one end, and a graduated arc, -- used by military engineers for measuring and laying off angles of fortifications.

To avow knowledge of; to allow that one knows; to consent to admit, hold, or the like; to admit with a formal acknowledgment; as, to recognize an obligation; to recognize a consul.

A resuming or retaking possession of what one has lately foregone; -- applied especially to land; the entry by a lessor upon the premises leased, on failure of the tenant to pay rent or perform the covenants in the lease. Burrill. Card of reëtry, (Whist), a card that by winning a trick will bring one the lead at an adv…