| four-wire repeater | Vierdrahtverstärker |
| four-wire switching | Vierdraht-Durchschaltung |
| four-wire system | Vierdrahtsystem |
| four-wire terminal repeater | Vierdraht-Endverstärker |
| four-year | vierjährig |
| four-year contract | Vierjahresvertrag |
| four-year plan | Vierjahresplan |
| four-year-old | vierjährig |
| four-year-old boy | Vierjähriger |
| four-year-old girl | Vierjährige |
| Four: A Divergent Story Collection | Die Bestimmung - Fours Geschichte |
| fourchette | Fourchette |
| fourchette piercing | Fourchette-Piercing |
| Fourcès | Fourcès |
| Fourdrinier machine | Papiermaschine |
| Fourdrinier paper machine | Fourdrinier-Papiermaschine |
| Fourdrinier wire weaving loom | Drahtwebmaschine für Feingewebe |
| Foureye butterflyfish | Vieraugen-Falterfisch |
| fourfold | vierfach |
| fourfold table | Vierfeldertafel |
| fourfold tables | Vierfeldertafeln |
| Fourfooted | Vierfüßler |
| fourhorn sculpin | vierhörniger Seeskorpion |
| Fourier | Fourier |
| Fourier analysis | Fourier-Analyse |
| Fourier analyzer | Fourier-Analysator |
| Fourier component | Fourier-Komponente |
| Fourier decomposition | Fourier-Zerlegung |
| Fourier expansion | Fourierentwicklung |
| Fourier integral | Fourier-Integral |
| Fourier line | Fourier-Zeile |
| Fourier number , Fo | Fourier-Zahl |
| Fourier optics | Fourier-Optik |
| Fourier phase spectrum | Fourier-Phasenspektrum |
| Fourier rransform mass spectrometer | Fourier-Transform-Massenspektrometer |
| Fourier series | Fourier-Reihe |
| Fourier space | Fourier-Raum |
| Fourier spectrometer | Fourier-Spektrometer |
| Fourier spectroscopy | Fourier-Spektroskopie |
| Fourier spectrum | Fourier-Spektrum |
| Fourier synthesis | Fourier-Synthese |
| Fourier transform | Fourier-Transformation |
| Fourier transform , FT | Fourier-Transformation , FT |
| Fourier transform infrared spectrometer | Fourier-Transform-Infrarot-Spektrometer |
| Fourier transform infrared spectroscopy | Fourier-Transform-Infrarotspektroskopie |
| Fourier transform infrared spectroscopy , FTIR | Fourier-Transformations-Infrarotspektroskopie |
| Fourier transform interferometer | Fourier-Transform-Interferometer |
| Fourier transform ion cyclotron mass spectrometer | Fouriertransformation-Ionenzyklotronresonanz-Massenspektrometer |
| Fourier transform spectrometer | Fourier-Transform-Spektrometer |
| Fourier transform spectroscopy | Fourier-Transformations-IR-Spektroskopie |
| Fourier transformation | Fourier-Transformation |
| Fourier transformation , FT | Fourier-Transformation , FT |
| Fourier transformation method , FTM | Fourier-Transformationsmethode , FTM |
| Fourier's integral | Fourier-Integral |
| Fourier's theorem | Fourier-Theorem |
| Fourier-transform interferometer | Fourier-Transform-Interferometer |
| Fourier-transform spectrometer | Fourier-Spektrometer |
| Fourier-transform spectroscopy | Fourier-Spektroskopie |
| fourleaf manyseed | Vierblättriges Nagelkraut |
| Fournier teeth | Fournier-Zähne |
| Fournier's gangrene | Fournier-Gangrän |
| Fournier's syndrome | Morbus Fournier |
| Fournier's teeth | Fournier-Zähne |
| Fournoi Korseon | Fourni |
| fourpole | Vierpol |
| fourpole network | Vierpol |
