| Subject | English | German |
| tech. | conventional voltage doubler | ueblicher Spannungsverdoppler |
| tech. | conventional voltage doubler | Stabilivoltschaltung |
| industr., construct. | doubler for raw silk | Seidenmuehle oder Zwirmaschine zum Zwirnen von Rohseide |
| phys. | doubler stage | Verdopplerstufe |
| tech. | doubler stage | Frequenzverdoppler |
| tech. | doubler stage radio | Verdopplerstufe |
| tech. | doubler test box | Verdopplerpruefkaestchen |
| industr., construct. | doubler-twister | Organsingarnmaschine |
| industr., construct. | doubler-twister | Doppelzwirnmaschine |
| industr., construct. | doubler-twister | Doppelzwirner |
| industr., construct. | fly doubler | Flügelzwirnmaschine |
| transp. | frame doubler | Spantverstärkungsblech |
| tech. | frequency doubler | Frequenzverdoppler |
| tech. | frequency-doubler tube | Verdoppelungsroehre |
| tech. | frequency doubler valve | Verdopplungsroehre |
| el. | half-wave voltage doubler | Spannungsverdopplerschaltung |
| el. | half-wave voltage doubler | Greineckerschaltung |
| gen. | line doubler | Zeilenverdoppler |
| industr., construct. | mule doubler | Mulezwirnmaschine |
| industr., construct. | mule doubler | Zwirnselfaktor |
| commun., IT | push-pull doubler | Gegentaktverdoppler |
| tech. | push-pull frequency doubler | Gegentakt-Frequenzverdoppler |
| antenn. | rectifying valve and voltage doubler | Einweggleichrichterröhre und Spannungsverdoppler |
| transp. | skin doubler | Zungenblech |
| transp., met. | skin doubler | fingerblech |
| transp., met. | skin doubler | fingerlasche |
| transp. | skin doubler | Fingerblech |
| transp., met. | skin doubler | zungenblech |
| tech. | suppressor grid frequency doubler | Bremsgitter-Frequenzverdoppler |
| tech. | tuning box for frequency doubler | Verdopplerabstimmkaestchen (guide missiles) |
| commun., el. | voltage-doubler | Spannungsverdopplerschaltung |
| phys. | voltage doubler | Spannungsverdoppler |
| tech. | voltage doubler | Spannungsverdoppler (circuit) |
| tech. | voltage doubler | Spannungsverdopplerschaltung (circuit) |
| phys. | voltage doubler circuit | Spannungsverdopplerschaltung |
| tech. | voltage doubler connection | Spannungsverdopplerschaltung |
| tech. | voltage doubler network | schaltung |
| tech. | voltage doubler network | Spannungsdopplernetzwerk |