| three-range | dreistufig |
| three-range method | Dreibereichsverfahren |
| three-ring circus | Affenzirkus |
| three-room apartment | Dreizimmerwohnung |
| three-room apartments | Dreizimmerwohnungen |
| three-room flat | Dreiraumwohnung |
| three-room flats | Dreiraumwohnungen |
| three-section ... | Dreikreis- |
| three-section band-pass filter | Dreifach-Bandfilter |
| three-section filter | Dreikreisbandfilter |
| three-shift work system | Dreischichtbetrieb |
| three-sided | dreiseitig |
| three-sided adhesion | Dreiflächenhaftung |
| three-sided farmyard | Dreiseithof |
| three-sided trimming | Dreiseitenbeschnitt |
| three-sigma limit | Drei-Sigma-Grenze |
| three-slot magnetron | Dreischlitzmagnetron |
| three-speed | Dreigangschaltung |
| three-speed gear | Dreigangnabe |
| three-speed gears | Dreigangschaltung |
| three-speed hub | Dreigangnabe |
| three-speed hubs | Dreigangnaben |
| three-spindle milling machine | Dreispindel-Fräsmaschine |
| three-spoke steering wheel | Dreispeichenlenkrad |
| three-spotted gourami | Blauer Fadenfisch |
| three-square | dreikantig |
| three-square bolt | Dreikantschraube für Schlagwetterbetrieb |
| three-square bolt with collar | Dreikantschraube mit Bund |
| three-square box spanner | Dreikant-Steckschlüssel |
| three-square file | Dreikantfeile |
| three-square file, triangular file | Dreikantfeile |
| three-square files | Dreikantfeilen |
| three-square head | Dreikantkopf |
| three-square hollow scraper | Dreikant-Hohlschaber |
| three-square hollow-ground scraper | Dreikant-Hohlschaber |
| three-square hollow-ground scrapers | Dreikant-Hohlschaber |
| three-square saw file | Dreikantfeile |
| three-square scraper | Dreikantschaber |
| three-square scrapers | Dreikantschaber |
| three-stage | dreistufig |
| three-stage amplifier | dreistufiger Verstärker |
| three-stage missile | Dreistufenrakete |
| three-stage plan | Drei-Stufen-Plan |
| three-stage plans | Drei-Stufen-Pläne |
| three-stage rocket | Dreistufenrakete |
| three-star hotel | Drei-Sterne-Hotel |
| Three-state logic | Tri-State |
| three-step | dreistufig |
| three-step biopsy | Drei-Stufen-Biopsie |
| three-step controller | Dreipunktregler |
| three-step filter | Dreistufenfilter |
| three-step oscillator | Dreipunktoszillator |
| three-storey | dreigeschossig |
| three-storey ... | dreigeschossige ... |
| three-storeyed | dreistöckig |
| three-storied | dreistöckig |
| three-storied furnace | Dreietagenofen |
| three-story | dreigeschoßig |
| three-story ... | dreigeschossige ... |
| three-streaked bunting | Cabanisammer |
| three-streaked tchagra | Somalitschagra |
| three-stripe damsel | Dreibinden-Preußenfisch |
| three-striped flycatcher | Dreistreifentyrann |
| three-striped hemispingus | Streifenhemispingus |
| Three-striped Night Monkey | Östlicher Graukehl-Nachtaffe |
| three-striped warbler | Dreistreifen-Waldsänger |
| three-surface aircraft , TSA | Drei-Flächen-Flugzeug , 3FF |
| three-syllable | dreisilbig |
| three-syllable ... | dreisilbige ... |
| Three-tier | Three-Tier-Architektur |
| three-tier insurance model | dreistufiges Versicherungsmodell |
| three-tiered | dreistöckig |
| three-time murderer | dreifacher Mörder |
| three-toed amphiuma | Dreizehen-Aalmolch |
| three-toed jacamar | Dreizehen-Glanzvogel |
| three-toed kingfisher | Dschungelfischer |
| three-toed parrotbill | Dreizehen-Papageimeise |
| three-toed sloth | Dreifinger-Faultier |
| Three-toed Woodpecker | Dreizehenspecht |
| three-tone horn | Dreiklang-Hupe |
| three-tower aerial | Dreiturmantenne |
| three-tower antenna | Dreiturmantenne |
| three-tube camera | Dreiröhren-Kamera |
| three-turns | Dreier |
| three-valued | dreiwertig |
| three-wattled bellbird | Hämmerling |
| three-way box | Dreiwegebox |
| three-way catalytic converter | Dreiwegekatalysator |
| three-way catalytic converter (TWC) | Dreiwegekatalysator |
| three-way conference | Dreierkonferenz |
| three-way connector | T-Stück |
| three-way deal | Triole |
| three-way directional valve | Dreiwegeventil |
| three-way freeway | Dreilochschlampe |
| three-way mixing valve | Dreiwege-Mischventil |
| Three-Way Pact | Dreimächtepakt |
| three-way power splitter | Drei-Wege-Leistungsteiler |
| three-way puller | Dreiarm-Abzieher |
| three-way reflex | 3-Wege-Baßreflex |
| three-way slut | Dreilochschlampe |
| three-way switch | Dreiwegschalter |
| three-way switches | Wechselschalter |
| three-way valve | Dreiwegeventil |
| three-week-old | dreiwöchig |
| three-wheel roller | Dreiradwalze |
| three-wheeled | dreirädrig |
| three-wheeled draisine | Dreiraddraisine |
| three-wheeled hand car | Dreiraddraisine |
| three-wheeled handcar | Dreiraddraisine |
| three-wheeled roller | Dreiradwalze |
| three-wheeler | Dreirad |
| three-wire | dreiadrig |
| three-wire machine | Dreileitermaschine |
| three-wire plug | Schukostecker |
| three-wire socket | Schukosteckdose |
| three-wire system | Dreileitersystem |
| three-year | dreijährig |
| three-year contract | Dreijahresvertrag |
| three-year fixed-term contract | auf drei Jahre befristeter Vertrag |
| three-year period | Dreijahresfrist |
| three-year-old | dreijährig |
| three-year-old boy | Dreijähriger |
| three-year-old girl | Dreijährige |
| three-yearly | dreijährlich |
| threechromatic | dreifarbig |
| threeday eventer | Military-Reiter |
| Threefin blenny | Dreiflossen-Schleimfische |
| threefold | dreifach |
| threefold coordination | Dreierkoordination |
| threefold yarn | dreifach gezwirntes Garn |
| threefoldly | dreifach |
| threemasted vessel | Dreimaster |
| threepart | dreiteilig |
| threescore | sechzig |
| threescore and ten | 70 Jahre |
| threesome | Triole |
