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ess (Photog.), a process in which a film of sensitized collodion is used in preparing the plate for taking a picture. -- Styptic collodion, collodion containing an astringent, as tannin.

treatment causes swelling in those parts of the film which have been acted on by light, a plate results from which impressions can be taken with prepared ink. The albertype, phototype, and heliotype are collotypes.

A scheme of equalizing the social conditions of life; specifically, a scheme which contemplates the abolition of inequalities in the possession of property, as by distributing all wealth equally to all, or by holding all wealth in common for the equal use and advantage of all.

An iron plate or magnet placed near the compass on iron vessels to neutralize the effect of the ship's attraction on the needle.

An apparatus for confining or flattening between glass plates an object to be examined with the microscope; -- called also compressorium.

onductivity (Physics), the quantity of heat that passes in unit time through unit area of plate whose thickness is unity, when its opposite faces differ in temperature by one degree. J. D. Everett. -- Thermometic conductivity (Physics), the thermal conductivity when the unit of heat employed is the heat required to ra…

One who contemplates. Sir T. Browne.

A broad ice sheet resting on a plain or plateau and spreading outward from a central névé, or region of accumulation.

, contraction, pressure, bending, or otherwise; to wrinkle; to purse up; as, to corrugate plates of iron; to corrugate the forehead. Corrugated iron, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness. -- Corrugated paper, a thick, coarse paper corrugated in or…

Armor for the body, as, the body breastplate and backpiece taken together; -- also, used for the entire suit of the day, including breastplate and backpiece, tasset and headpiece.

through the press, gives a copy in reverse, and of course in the same position as that of plate from which the first was printed, the object being to enable the engraver to inspect the state of the plate. -- Counter revolution, a revolution opposed to a former one, and restoring a former state of things. -- Counter r…

One of the pairs of plates of two metals which compose a voltaic battery; -- called a voltaic couple or galvanic couple.

A movable sideboard or buffet, on which plate and other articles of luxury were displayed on special ocasions. [Obs.] A way with the joint stools, remove the court-cupboard, look to the plate. Shak.

ed in mezzotint engraving, which, by a rocking motion, raises burrs on the surface of the plate, so preparing the ground.

oard, sideboard, or cabinet, particularly one intended for the display of rich vessels or plate, and consisting chiefly of open shelves for that purpose.

bearing worn, not upon the shield, but usually above it, or separately as an ornament for plate, liveries, and the like. It is a relic of the ancient cognizance. See Cognizance, 4.

Resembling, or having the form of, a sieve; pierced with hokes; as, the cribriform plate of the ethmoid bone; a cribriform compress. Cribriform cells (Bot.), those which have here and there oblique or transverse sieve plates, or places perforated with many holes.

(Mach.) A shaft, windlass, or roller, worked by levers at opposite ends, as in the copperplate printing press. (b) A driving axle. with cranks set at an angle of 90º with each other. -- Cross bedding (Geol.), oblique lamination of horizontal beds, -- Cross bill. See in the Vocabulary. -- Cross bitt. Same as Crosspie…

), a cancerous sore formed round the corners of a horse's hoof. -- Crown sheet, the flat plate which forms the top of the furnace or fire box of an internally fired steam boiler. -- Crown shell. (Zoöl.) See Acorn-shell. -- Crown side. See Crown office. -- Crown tax (Eccl. Hist.), a golden crown, or its value, which…

A gem engraved, or a plate embossed in low relief, for inlaying a vase or other object.