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A long notch with a horizontal edge, as in the top of a vertical plate or plank, through which water flows, -- used in measuring the quantity of flowing water.

In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint.

A plate the film of which retains its sensitiveness only while wet. The film used in such plates is of collodion impregnated with bromides and iodides. Before exposure the plate is immersed in a solution of silver nitrate, and immediately after exposure it is developed and fixed.

A structure or platform of timber, masonry, iron, earth, or other material, built on the shore of a harbor, river, canal, or the like, and usually extending from the shore to deep water, so that vessels may lie close alongside to receive and discharge cargo, passengers, etc.; a quay; a pier. Commerce pushes its wharves…

n of the eyelids, often those of one eye only. Wink at the footman to leave him without a plate. Swift.

ed to an even thread by being passed between grooved rollers, or drawn through holes in a plate of steel.

To form (a piece of metal) into wire, by drawing it through a hole in a plate of steel.

f pattern in gelatin, which has been hardened after certain operations, is pressed upon a plate of lead or other soft metal. An intaglio impression in thus produced, from which pictures may be directly printed, but by a slower process than in common printing.

The thread of a screw. The threads of screws, when bigger than can be made in screw plates, are called worms. Moxon.

overed or described by Olanus Wormius, a Danish anatomist. Wormian bones, small irregular plates of bone often interposed in the sutures between the large cranial bones.

alm down, the hand drops. It is chiefly due to plumbism. Called also hand drop. -- Wrist plate (Steam Engine), a swinging plate bearing two or more wrists, for operating the valves.

The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum.

one annual time of settlement, or balancing of accounts, and another. -- Great year. See Platonic year, under Platonic. -- Gregorian year, Julian year. See under Gregorian, and Julian. -- Leap year. See Leap year, in the Vocabulary. -- Lunar astronomical year, the period of 12 lunar synodical months, or 354 days, 8…

me, "I-wisse, all their sport in the park is but a shadow to that pleasure that I find in Plato." Ascham. A right good knight, and true of word ywis. Spenser.

A zinc plate prepared for printing by zincography; also, a print from such a plate.

Pertaining to, or resembling, zinc; -- said of the electricity of the zincous plate in connection with a copper plate in a voltaic circle; also, designating the positive pole. [Obs.]