Generator /(?)/

Gen·er·a·tor

Generator

n.
  1. One who, or that which, generates, begets, causes, or produces.
  2. An apparatus in which vapor or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort, or vessel for generating carbonic acid gas, etc.
  3. The principal sound or sounds by which others are produced; the fundamental note or root of the common chord; -- called also generating tone. (Mus.)
  4. Any machine that transforms mechanical into electrical energy; a dynamo. (Elec.)
  5. a mathematical entity which, when subjected to an operation, yields another mathematical entity; also, a generatrix. (Math.)