Chromodynamic energy

Chromodynamic energy discharge

Automated Personnel Unit using chromodynamic energy as a weapon

Chromodynamic energy was a type of energy encountered in the power source of Pralor Automated Personnel Units, which was a technology completely unfamiliar to Starfleet as of 2370. Its energy system was incompatible with EPS power conduits. (VOY: "Prototype")

Automated Personnel Units could also release a beam of chromodynamic energy from their hands as an offensive weapon against humanoids. (VOY: "Prototype")

Based on its name it may refer to Quantum Chromodynamics (QCD) Binding Energy but may be also something completely different...