A condenser in general use often refers to heat exchange, reducing a gas or vapor to liquid. Air conditioners have an outdoor condenser unit that expels heat from inside.
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Refrigeration Component
In household appliances, a condenser refers to the part that turns refrigerant vapor into liquid. My freezer stopped working because the condenser broke down.
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Not Always Visible
The condenser in a device may not be easily seen, as it's often part of the internal mechanics. The technician had to disassemble the unit to reach the condenser.