| Subject | English | Japanese |
| tech. | counter flow | 対向流 (たいこうりゅう) |
| gen. | counter-current flow limiting | 対向流落水制限 (CCFL) |
| tech. | counter-flow | 逆流 (gyakuryū) |
| tech. | counter-flow condenser | 逆流凝缩器 (ぎゃくりこうぎょうしゅくき) |
| phys. | gas-flow counter | 通気式計数管 (つうきしき・けいすうかん) |
| vac.tub. | gas-flow counter tube | ガスフロー計数管 |
| vac.tub. | liquid-flow counter | 液体フロー計数管 |