PARALLELOGRAM n.
lelogram of velocities, forces, accelerations, momenta, etc. (Mech.), a parallelogram the diagonal of which represents the resultant of two velocities, forces, accelerations, momenta, etc., both in quantity and direction, when the velocities, forces, accelerations, momenta, etc., are represented in quantity and directi…
PORT v.
To throw, as a musket, diagonally across the body, with the lock in front, the right hand grasping the small of the stock, and the barrel sloping upward and crossing the point of the left shoulder; as, to port arms. Began to hem him round with ported spears. Milton. Port arms, a position in the manual of arms, executed…
SKEW a.
egmental arch. (b) A plate, cap, or shoe, having an inclined face to receive the nut of a diagonal brace, rod, or the end of an inclined strut, in a truss or frame. -- Skew bridge. See under Bridge, n. -- Skew curve (Geom.), a curve of double curvature, or a twisted curve. See Plane curve, under Curve. -- Skew geari…
SPRING n.
t by tightening or slacking it she can be made to lie in any desired position; a line led diagonally from the bow or stern of a vessel to some point upon the wharf to which she is moored. Air spring, Boiling spring, etc. See under Air, Boiling, etc. -- Spring back (Bookbinding), a back with a curved piece of thin shee…