condenser

noun

1.
an electrical device characterized by its capacity to store an electric charge
tightener capacitance capacitor electrical condenser
2.
an apparatus that converts vapor into liquid
frostbearer
Derived from:
condense
3.
a hollow coil that condenses by abstracting heat
Derived from:
condense
4.
lens used to concentrate light on an object
optical condenser
Derived from:
condense