noun
: a region subject to the influence of magnetism that is manifested by the mechanical forces that it exerts upon electricity moving across it and upon the poles of magnets placed in it
noun
: a region subject to the influence of magnetism that is manifested by the mechanical forces that it exerts upon electricity moving across it and upon the poles of magnets placed in it
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012