| fixed subscriber | Festteilnehmer |
| fixed superstructure | Festaufbau |
| fixed suspension | Festpunktaufhängung |
| fixed taper bead seat | feste Schrägschulter |
| Fixed term contract | Befristeter Vertrag |
| fixed term deposit | Termingeld |
| fixed term deposits | Festgeld |
| fixed term military personnel | Zeitsoldaten |
| fixed term value | Terminwert |
| fixed term values | Terminwerte |
| fixed the meshes | Maschen von der Nadel abgenommen |
| fixed throttle | feste Drossel |
| fixed time | Termin |
| fixed time call | Festzeitgespräch |
| fixed tube exchanger | Festrohrbündelwärmetauscher |
| fixed undercarriage | starres Fahrgestell |
| fixed value | Festwert |
| fixed variable | Vorhersagevariable |
| fixed vector | gebundener Vektor |
| fixed vertical loop antenna | Festrahmenantenne |
| fixed voltage | Festspannung |
| fixed white | Barytweiß |
| fixed wing | Starrflügel |
| Fixed wing aircraft | Flugzeug |
| fixed wire-wound resistor | Drahtfestwiderstand |
| fixed wirewound resistor | Drahtfestwiderstand |
| fixed word length | feste Wortlänge |
| fixed yoke disk brake | Festsattel-Scheibenbremse |
| fixed, set | festgelegt |
| fixed-bed adsorption | Festbettadsorption |
| fixed-bed adsorption reactor | Festbettadsorptionsapparat |
| fixed-bed adsorption reactors | Festbettadsorptionsapparate |
| fixed-bed adsorption systems | Festbettadsorberanlagen |
| fixed-bed catalytic reactor | katalytischer Festbettreaktor |
| fixed-bed circulating reactor | Festbettumlaufreaktor |
| fixed-bed gasification | Festbettvergasung |
| fixed-bed ion exchanger | Festbett-Ionentauscher |
| fixed-bed ion exchangers | Festbett-Ionentauscher |
| fixed-bed process | Festbettverfahren |
| fixed-bed reactor | Festbettreaktor |
| fixed-bed reactors | Festbettreaktoren |
| fixed-bed synthesis | Festbettsynthese |
| fixed-cantilever crane | Kran mit festem Ausleger |
| fixed-charge coverage | Deckung der Fixkosten |
| fixed-crest weir | festes Wehr |
| fixed-cycle operation | Festzyklusbetrieb |
| fixed-delivery pump | Konstantförderpumpe |
| fixed-disk drive | Festplattenantrieb |
| fixed-disk memory | Festplattenspeicher |
