Nuklearno postrojenje, srce "nuklearke", nuklearni reaktor (lat.)
1. One that reacts
2. A device (as a coil, winding, or conductor of small resistance) used to introduce reactance into an alternating-current circuit
3. A vat for an industrial chemical reaction; a device for the controlled release of nuclear energy (as for producing heat)
4. An electrical circuit element used to introduce reactance into the circuit.