| Subject | English | Spanish |
| comp., MS | active cell | celda activa (The selected cell in which data is entered when you begin typing. Only one cell is active at a time. The active cell is bounded by a heavy border) |
| tech. | active cell | batería acumulador cargado |
| earth.sc. | active infrared cell | célula de infrarrojos activos |
| tech. | active-passive corrosion cell | depósito activo-pasivo de corrosión |