
Condenser (heat transfer)
    
    WordNet
        noun
(1)   An electrical device characterized by its capacity to store an electric charge
(2)   Lens used to concentrate light on an object
(3)   A hollow coil that condenses by abstracting heat
(4)   An apparatus that converts vapor into liquid
        WiktionaryText
        Noun
- A device designed to condense a gas into a liquid, either as part of a still, steam engine, refrigerator or similar machine. Also a piece of laboratory equipment.
 - A capacitor
 - A lens (or combination of lenses) designed to gather light and focus it onto a specimen or part of a mechanism
 - A dental instrument used to pack filling into a cavity in a tooth
 

