VIRTUAL a.
any given force of a number of forces holding a material system in equilibrium, it is the projection, upon the direction of the force, of a line joining its point of application with a new position of that point indefinitely near to the first, to which the point is conceived to have been moved, without disturbing the e…
WATER TABLE n.
A molding, or other projection, in the wall of a building, to throw off the water, -- generally used in the United States for the first table above the surface of the ground (see Table, n., 9), that is, for the table at the top of the foundation and the beginning of the upper wall.
WING n.
-- Wing gudgeon (Mach.), an iron gudgeon for the end of a wooden axle, having thin, broad projections to prevent it from turning in the wood. See Illust. of Gudgeon. -- Wing shell (Zoöl.), wing case of an insect. -- Wing stroke, the stroke or sweep of a wing. -- Wing transom (Naut.), the uppermost transom of the ste…