| operator error | Bedienungsfehler |
| operator for a rise | Haussespekulant |
| operator guidance | Benutzeroberfläche |
| operator holding account | Betreiberkonto |
| operator holding accounts | Betreiberkonten |
| operator identification code | Bedienercode |
| operator intervention | manueller Eingriff |
| operator norm | Operatornorm |
| operator of a nuclear facility | Inhaber einer Kernanlage |
| operator panel | Bedienmaske |
| operator pit | Arbeitsgrube |
| operator position | Bedienplatz |
| operator prompting | Benutzeroberfläche |
| operator recall | Bedienerherbeiruf |
| operator repair | Motorreparatur |
| operator service | handvermittelter Dienst |
| operator service system | Handvermittlungssystem |
| operator set | Vermittlungsapparat |
| operator sets | Vermittlungsapparate |
| operator specifications | Motordaten |
| operator unit | Bedieneinheit |
| operator units | Bediengeräte |
| operator's board | Kontrollpult |
| operator's cabin | Führerkorb |
| operator's certificate | Betriebszeugnis |
| operator's console | Aufsichtsplatz |
| operator's console typewriter | Bedienungsblattschreiber |
| operator's delay | Warten auf Abfragen |
| operator's desk | Kontrollpult |
| operator's position | Vermittlungsplatz |
| operator's radar | Radar des Funkers |
| operator's terminal | Bedienplatz |
| operator-assisted | handvermittelt |
| operator-assited call | handvermitteltes Gespräch |
| operator-controlled | bedienergesteuert |
| operators | Betreiber |
| operators for a rise | Haussespekulanten |
| opercular ... | Deckel... |
| operculum | Deckel |
| operetta | Operette |
| operetta libretto | Operettenlibretto |
