tractil1ty

[Eng. tractil(e): -ity.] The quality or state of being tractile; ductility. "Silver, whose ductility and tractility are much inferior to those of gold."-Derham. trăc-tion, s. [Fr., from Lat. tractus, pa. par. of traho =to draw.] 1. The act of drawing; the state of being drawn. "The traction of the annexed muscles."- Paley : Natural Theology, ch. x. 2. The act of drawing a body along a plane, usually by the power of men, animals, or steam, as when a carriage is towed upon the surface of water, or a carriage upon a road or railway. The power exerted in order to produce the effect is called the force of traction; the line in which this force acts is called the line of traction; and the angle which this line makes with the plane along which the body is drawn by the force of traction is called the angle of traction. *3. Attraction; a drawing toward. 4. The adhesive friction of a wheel on the rail, a rope on a pulley, . The tractional surface of a driving-wheel is the face of its perimeter.