General Science

  • noun a device that cools steam or other vapour and turns it back into liquid


Cars & Driving

  • noun a device in an air-conditioning system mounted in front of the car’s radiator with coils in which the refrigerant vapour cools and turns to liquid.
  • noun a capacitor for the contact breaker of a conventional distributor


  • The heat exchanger in a refrigeration system that removes heat from the high pressure refrigerant gas and transforms it into a cool liquid.


  • A device which changes a gas into a liquid or a solid.
  • A system of mirrors and/or lenses which collects light from a source, then directs it onto a surface. Used, for instance, in a microscope.
  • A nearly obsolete term for capacitor.