AXIS n.
r; -- called also axis band, axial fiber, and cylinder axis. -- Axis in peritrochio, the wheel and axle, one of the mechanical powers. -- Axis of a curve (Geom.), a straight line which bisects a system of parallel chords of a curve; called a principal axis, when cutting them at right angles, in which case it divides…
BACKLASH n.
The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected parts, resulting from looseness in fitting or from wear; also, the jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion.…
BATH n.
brick, used for cleaning knives, polished metal, etc. -- Bath chair, a kind of chair on wheels, as used by invalids at Bath. "People walked out, or drove out, or were pushed out in their Bath chairs." Dickens. -- Bath metal, an alloy consisting of four and a half ounces of zinc and one pound of copper. -- Bath note…