| Subject | English | German |
| chem. | Aluminium-tri-isopropoxide | Aluminium-triisopropylat |
| chem. | antimony tri-iodide | Antimontrijodid |
| chem. | arsenic tri-iodide | AsJ3 |
| chem. | arsenic tri-iodide | Arsentrijodid |
| food.ind. | dodecyl 3, 4, 5-tri-hydroxybenzoate | Dodecylgallat |
| food.ind. | dodecyl 3, 4, 5-tri-hydroxybenzoate | Laurylester der 3,4,5-Trihydroxybenzoesäure |
| food.ind. | dodecyl 3, 4, 5-tri-hydroxybenzoate | n-Dodecylester der 3,4,5-Trihydroxybenzoesäure |
| food.ind. | dodecyl 3, 4, 5-tri-hydroxybenzoate | Laurylgallat |
| food.ind. | dodecyl 3, 4, 5-tri-hydroxybenzoate | Dodecylester der Gallussäure |
| comp. | IC tri-metal processing | Trimetall-Schaltkreisherstellung |
| construct. | Philibert truss, de Lorn truses | Philibertbinder |
| tech. | phosphorus tri bromide | Phosphorbromuer |
| chem. | phosphorus tri-iodide | Phosphortrijodid |
| chem. | phosphorus tri-iodide | PJ3 |
| tech. | right angled tri angle | rechtwinkliges Dreieck |
| chem. | tri-allate | triallat |
| agric., chem. | tri-allate | Triallat |
| chem. | tri2-hydroxyethylamine | Triäthanolamin |
| environ. | tri- and tetrachloroethylene | Tri- und Tetrachlorethylen |
| nucl.phys. | tri-axial | dreiachsig |
| transp., mil., grnd.forc. | tri-axle | Dreifachachse |
| transp. | tri axle | Dreifachachse |
| gen. | tri-border region | Dreiländereck Region |
| chem. | tri-chloracetic acid | Trichloressigsäure |
| nucl.phys. | tri-cone mill | Dreikegelmühle |
| transp. | tri-current traction unit | Dreistromtriebfahrzeug |
| comp. | tri-dimensional | 3D |
| comp. | tri-dimensional | dreidimensional |
| auto. | tri-drive | Dreieckstrieb (Benzinpumpe) |
| tech. | tri-fluoro-mono-chloro ethylene | Trifluormonochloraethylen |
| met. | tri-foil filler metal | Mehrschichtlot |
| oil | tri-gas | Trigas |
| phys. | tri-glycine sulfate | Triglycerinsulfat |
| phys. | tri-glycine sulfate crystal | Triglycerinsulfat-Kristall |
| archit. | tri glyph | Triglyph |
| chem. | tri-iodobenzoic acid | Trijodbenzoesäure |
| chem. | tri-iodothyroacetic acid | Trijodthyroessigsäure |
| chem. | tri-isobutylene | Triisobutylen |
| microel. | tri-layer resist system | Dreischichtresistsystem |
| microel. | tri layer technique | Dreischichttechnik |
| microel. | tri-level approach | Dreischichtverfahren |
| microel. | tri level processed | in drei Ebenen entwikkelt (Resiststruktur) |
| microel. | tri-level structure | Dreischichtstruktur |
| microel. | tri level technique | Dreischichttechnik |
| microel. | tri level technique | Dreischichtverfahren |
| gen. | tri-lingual | dreisprachig |
| gen. | tri-lingual secretary | dreisprachige Sekretärin |
| tech. | tri-lock fastener | Druckknopf mit Drehsicherung |
| microel. | tri mask process | Dreimaskenprozeß |
| microel. | tri mask process | Dreimaskentechnik |
| microel. | tri-metal deposition | Dreimetallaufdampfung |
| microel. | tri-metal system | Dreimetallsystem |
| chem. | tri methylglycine | Betain |
| tech. | tri-motor | dreimotorig |
| gen. | tri-motored | dreimotorig |
| transp. | Tri-national Bodensee Shipping Committee | aus Vertretern dreier Staaten zusammengesetztes Schifffahrts-Komitee |
| drv. | tri-pot joint | Tripode-Gleichlaufgelenk |
| drv. | tri-pot joint | Tripodegelenk |
| chem. | tri potassium orthophosphate | Trikaliumorthophosphat |
| chem. | tri potassium orthophosphate | E340iii |
| chem. | tri potassium orthophosphate | E340 iii |
| chem. | tri-propylène | Tripropylen |
| antenn. | tri-rod coupler | Dreistabkoppelung |
| chem. | tri sodium orthophosphate | Trinatriumorthophosphat |
| chem. | tri sodium orthophosphate | E339iii |
| chem. | tri sodium orthophosphate | E339 iii |
| agric. | tri-sodium phosphate PO4 NA3 | PO4 NA3 |
| agric. | tri-sodium phosphate PO4 NA3 | Trinatriumphosphat |
| tech. | tri-sodium phosphate | Trinatriumphosphat |
| gen. | tri-state | Dreistaaten- |
| gen. | tri-state | mit drei Zuständen |
| piez. | tri-state output | Tristate-Ausgang |
| microel. | tri-state output | Drei-Zustands-Ausgang |
| phys. | tri-tet circuit | Tri-Tet-Schaltung |
| phys. | tri-tet oscillator | Tri-Tet-Oszillator |
| pack. | tri-walled corrugated board | dreiwellige Wellpappe |