con|dens|er «kuhn DEHN suhr», noun.
1. a person or thing that condenses something.
2. a device for receiving and storing a charge of electricity; capacitor. A condenser generally consists of two conducting surfaces separated by a nonconductor. The current flowing into the condenser accumulates in the nonconductor (the dielectric) as a charge.
3. an apparatus for changing gas or vapor into a liquid.
4. Optics. a strong lens or lenses for concentrating light upon a small area.
5. an apparatus for condensing or compressing air.
Useful english dictionary. 2012.