LIVE a.
of oak (Quercus virens), growing in the Southern States, of great durability, and highly esteemed for ship timber. In California the Q. chrysolepis and some other species are also called live oaks. -- Live ring (Engin.), a circular train of rollers upon which a swing bridge, or turntable, rests, and which travels arou…
MAGNETIC; MAGNETICAL a.
on, or Magnetic iron ore. (Min.) Same as Magnetite. -- Magnetic needle, a slender bar of steel, magnetized and suspended at its center on a sharp-pointed pivot, or by a delicate fiber, so that it may take freely the direction of the magnetic meridian. It constitutes the essential part of a compass, such as the mariner…