| Subject | English | Spanish |
| environ., mech.eng. | aerobic digester | digestor aerobio |
| nat.sc., agric. | batch digester | fermentador en régimen discontinuo |
| nat.sc., agric. | batch digester | digestor discontinuo |
| nat.sc., agric. | batch-load digester | digestor discontinuo |
| nat.sc., agric. | batch-load digester | fermentador en régimen discontinuo |
| industr., construct. | chemical digester | digestor |
| agric., el. | combined decanter-digester | digestor-decantador |
| agric., el. | combined decanter-digester | fosa Emscher |
| agric., tech. | continuous-load digester | fermentador en régimen continuo |
| agric., tech. | continuous-load digester | digestor continuo |
| industr., construct. | digester house | sección de digestores |
| industr., construct. | digester house | área de digestores |
| industr., construct. | digester house | sala de digestores |
| agric., el. | digester supernatant | líquido sobrenadante |
| agric., el. | digester supernatant | capa líquida |
| energ.ind. | methane digester | digestor |
| energ.ind. | methane digester | cámara de digestión del barro |
| energ.ind. | methane digester | fermentador |
| energ.ind. | methane digester | metanizador |
| tech. | microwave digester | digestor microondas |
| chem. | Papin's digester | digestor de Papin |
| chem. | reclaiming digester | digestor de regeneración |