Definitions
1.nounThe differential gear in an automobile etc
2.nounA qualitative or quantitative difference between similar or comparable things
3.nounAn infinitesimal change in a variable, or the result of differentiation
4.nounOne of two coils of conducting wire so related to one another or to a magnet or armature common to both, that one coil produces polar action contrary to that of the other.
5.nounA form of conductor used for dividing and distributing the current to a series of electric lamps so as to maintain equal action in all.