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Emulsify to Engraving.
Emulsify. (Plast.) To suspend a material in a finely divided (emulsified) state in a liquid.
Emulsion. (Photog.) Light-sensitive coating for photographic film, plates, and paper. (Chern.) A dispersion of fine particles of a liquid in a liquid.
en. (Prinr.) One half of an em.
Enamel. (Cabwk.. Color. nd Furn.)A material applied as a paint which dries with a hard, glossy finish.
Enameled. (Papermkg.) Term applied to paper that has been coated and the surface calendered to a high polish.
Enameled brick. (Bldg.) Brick with a glazed or enamel-like surface.
Enameled wire. (Elec.) Wire coated with insulating enamel and usually covered with cotton or silk for protection.
. Enargite. (Metal.) Cu3AsS4. A copper ore (copper arsenic sulphide).
Encased knot. (Wood) A knot whose growth rings are not intergrown and homogeneous with the growth rings of the piece it is in.
Encaustic tile. (Masonry) A painted tile in which the hues have been fixed by heat.
Encircle. To circumscribe, to surround, to draw a line around.
Enclosed-arc lamp. (Elec.) An arc lamp in which the arc is enclosed in a globe so shaped that only a small amount of air can enter, thus retarding consumption of the carbons.
Enclosed fuse. (Elec.) A fuse contained in an airtight insulating holder to prevent ignition of gas or dust.
End-grain. (Woodwk.) That face of a piece of timber exposed by the cutting of its fibers transversely.
Endive scroll. (Furn.) A carved leaf design.
End-lap joint. (Woodwkg.) A comer joint formed by halving both pieces for a distance equal to their widths.
Endless saw. (Woodwkg.) A band saw.
End measuring rod. (Shopwk.) Arranged for internal measurements similar to internal cylindrical gauges.
End,miU. (Mach.) Milling cutter usually having tapered shank, for direct fitting to spindles or sockets. The cutting portion is cylindrical in shape, so made that it can cut both on side and end.
Endogenous. (Bot.) A plant that grows from within, i.e., one that increases by the growth of new tissue among that already formed.
End paper. (Bookbndg.) Sheet of paper in the front and back of bound books.
End play. (Mech.) The play at the ends of a revolving part, i.e., play in a longitudinal direction.
End thrust. (Engin.) Th.e end ofIongitudinal pressure exerted by a rotating vertical or horizontal shaft. Usually cared for by a thrust bearmg.
Endurance. (Aero.) The maximum length of time an aircraft can remain in the air at a given .speed and altitude.
Endurance limit. (Metal.) The maximum stress to which material may be subjected without causing failure by fatigue.
Energy. (Phys.) A body is said topossess energy when it is capable of doing work' or overcoming resistance. Energy m,~'I.bp. either kinetic or potential. ,,'
Engage. (Mach.) To bring parts together or in contact in order to transmit motion or power, e.g., the operation of the gearshift lever engages and disengages the changespeed gears of an automobile.
Engine. (Phys.) A machine or mechanism by which generated power is applied to doing work, as the steam, gas, or gasoline engine.
Engine altimeter. (Aero.) An altimeter for indicating the altitude corresponding to the pressure produced in the intake manifold of a supercharged engine.
Eng~n controls. (Aero.) The means employed to control the power output of the engine. Control of speed may be affected by the air controls or engine controls independently, or by either in conjuction with the other.
Engine cowling. (Aero.) A cowling place around an aircraft engine for directing and regulating a flow of cooling air for streamlining or for protection. ,
Engine displacement. (Ae ro.) The total volume swept by the pistons of al1 the cylinders during one complete stroke of each piston.
Engineer. An expert in design, con
struction, and development in the fields of electricity, mining, mechanics, building, etc.
Engineering. The art and science relating to expert planning and constructing in various field of industry.
Engineer's chain. (Surv.) Has 100 links, each one foot long. Gunter's chain, formerly much used in land surveys, is 66 feet in length and has 100 links each 7 .92 inches long.
Engine lathe. (Mach.) A lathe having cross slide, compound rest, lead screw and power feed; equipped with change gears and back gearing.
Engine sized. (Papermakg.) A temi . applied to pap~r pulp sized with resin size while in the beater.
Engine weight per horsepower. The dry weight of an engine divided by the rated horsepower.
English cross bond. (Bldg.) Sa.-ne as Dutch bond. A bond in which the courses are alternately headers and" stretchers.
English finish. (Papermkg.) Abbreviation E.F. A finish which is intermediate between super calender and machine finish.
Engobe. (Ceram.) The thin layer of fluid clay applied to the body of a defective piece of ware to cov~r blemishes.
Engrailed. (Furn.) Indented with , smalI concave scalIops or curves.
Engraving. (Cab wk. , Furn., Print.) (I) The act or art of cutting designs on a plate; (2) an engraved design; (3) a picture printed from an engraved plate.
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