W to watersoftener

W to Washin

W. Watt.
Wainscot. (Arch.) A lining of inte­rior walls, usually paneled.
Wainscoting. (Arch.) Lining or paneling interior walls with wood.
Wainscoting cap. (Arch.) The molding at the top of a wainscot­mg.
Walkman. The name Sony coined for its portable tape and radio play­ers for personal headphone listening. Often wrongly used to describe any player of this type.
Wall bed. (Arch.) Anyone of the various types of beds which swing or fold into the wall or closet when not in use. Commonly used in small apartments.
Wallboard. (Arch.) A general term applied to any of the many build­ing boards used in place of plaster on interior walls and ceilings.
Wall bracket. (Mech.) Frequently a shaft hanger attached to a wall or post; in general, any bracket attached to a wall and used as a support.
Wall plate. (Masonry) A horizontal timber on a wall for bearing the ends of joists, girders, etc., and for distributing the weight.
Wall socket. (Elec.) An electric out­let located in or on the wall for the purpose of providing a source of current.

Wane. (Wood.) Wane is a defect in a timber or plank.
Warding file. (Mech.) A very thin flat file used principally by lock­ smiths.
Warp. (Aero.) Twisting the surface of an airplane wing to change its form. (Textile) The threads running lengthwise of a fabric. (Woodwkg.) To permanently distort or twist out of shape as by moisture or heat. (Radio.) Applied to disc record, refers to irregular departure from flatness causing phono cartridge
to rise and fall as disc rotates Very rapid undulations sometimes re­ferred to as ripples.
Warping: (Fdry.) A distortion or twisting of a casting due to un­equal strains in cooling.
Wash. (Aero.) The disturbance caused in the air by the passage of the wings and propeIler of an airplane.
Washer. (Mech.) A small, flat, per­forated disk, used to secure the tightness of a joint, screw, etc.
Washer cutter. A device having a fixed center and either one or two adjustable cutting points for cut­ting washers from leather, rubber, etc.
Washin. (Aero.) Permanent warping of a wing which results in an in­

washout to watersoftener crease in the angle of attack near the tip.
Washout. (Aero.) Permanent warping of a wing which results in a de­crease in the angle of attack near the tip.
Waste. (Shopwk.) Cotton waste is the refuse of cotton mills, used in shops for cleaning machinery. It consists of fine, soft, cotton fibers matted together.
Waste lubrication. (Mach.) Consists of packing oil-soaked waste in a journal box. Such lubrication is com­mon practice on railway cars.
Water bar. (BLdg.) A bar or strip in­serted in a joint between wood and stone sills Qf a window to prevent passage of water.
Water cooling. (Engin.) When the heat generated by an internal-combus­tion engine is carried off by water circulating through the water jacket and radiator.
Water gas. (Chern.) Made by passing steam over very hot coal or coke, which is enriched with liquid hydrocarbons; sometimes used for fuel or illuminating gas.
Water glass. (Chem.) A solution of sodium or potassium silicate made by fusing quartz sand with potash or sodium hydrate. It is a heavy oily liquid; used as an adhesive, protec­tive coating, and as fireproofing agent.
Water hammer. Sounds like the blows of a hammer occurring when the flow of water in a pipe is suddenly checked.
Water jacket. (Ellgin.) The outer cas­ing of a motor block and head, so constructed as to permit a circulationof water between it and the cylinder walls, for the purpose of carrying off heat from themotor.
Water-:-mark. (Papermkg.) A mark­ing produced in paper by the pres­sure of a raised design on the dandy roll or in the mold which can be seen when the paper is held up to the light.
Water-proofing walls. (Concrete) Making them impervious to water or dampness, by mixing a com­pound with the concrete, or by applying the compound to the sur­face.
Water pump. (Auto.) A pump by means of which a forced circula­tion of the water in the cooling system is produced. These pumps are usually placed at the front of the cylinder block where they are operated in connection with the fan drive or generator drive.
Water putty. (Woodwk.) A powder which, when mixed with water, makes an excellent tiller for cracks, nail holes, etc. Not suitable for glaz­ . ing.
Water recovery apparatus. (Aero.) Apparatus carried on an airship for condensing and recovering the water contained in the exhaust gases of internal-combustion en­gines.
Water softener. (PLumb.) A device for eliminating from domestic wa­tcr supplies the calcium and mag­ncsium sulphates or bicarbonates which render soap valueless for