| reaction | reaksi | Tiada | tindak balas | Matematik |
| reaction | reaksi | Tiada | tindakbalas/reaksi | Fizik |
| reaction | reaksi | Tiada | tindakbalas; reaksi | Perubatan |
| reaction torque | torka reaksi | tork reaksi | tork reaksi | Aeroangkasa |
| reaction wheel | cakra reaksi; roda reaksi | roda reaksi | roda reaksi | Aeroangkasa |
| reaction control thruster | pendorong pengatur reaksi | penujah kawal reaksi | penujah kawal reaksi | Aeroangkasa |
| reaction control system (RCS) | sistem persatuan reaksi | sistem kawal reaksi | sistem kawal reaksi | Aeroangkasa |
| reaction member | anggota reaksi | anggota reaksi | anggota tindak balas | Kejuruteraan Automotif |
| reaction of partial identity | reaksi identitas parsial | tindak balas separa identiti | tindak balas separa identiti | Veterinar |
| reaction of nonidentity | reaksi nonidentitas | tindak balas bukan identiti | tindak balas bukan identiti | Veterinar |