| Subject | English | Russian |
| energ.syst. | over-unity | сверхъединичный ("free energy" devices, sometimes called "over-unity" devices • “Over unity” means you get more energy out than you put in. Do they work? They “work” by separating gullible people from their money. That's it. sergey ivanov) |
| tech. | Over-Unity | "вечное движение" (Владимир iNSM) |
| energ.syst. | over-unity device | сверхъединичное устройство (devices which seem to show more energy output than input, but which do not actually go the next step to power themselves to generate perpetual motion. Many over-unity schemes contain something which stores energy- often a battery – which make net energy input/output accounting difficult. 'More) |