| trier et jeter | get rid of |
| trier préalablement | presort |
| Triesen | Triesen |
| Triesenberg | Triesenberg |
| Trieste | Trieste |
| trieur | sorter |
| trieuse | sorter |
| Triflate | Triflate |
| Trifluorure de bore | Boron trifluoride |
| Trifluvien | Trifluvian |
| Trifon Ivanov | Trifon Ivanov |
| Triforce | Triforce |
| Triforium | Blind-story |
| trifouiller | doctor |
| Triga | TRIGA |
| Triglav | Triglav |
| triglycéride | triglyceride |
| Trigo | Trigonometry |
| Trigonella | Trigonella |
| Trigonioida | Trigoniacea |
| trigonométrie | trigonometry |
| Trigonométrie de Wildberger | Rational trigonometry |
| trigonométrique | trigonometric |
| Trigonostemon | Trigonostemon |
| Trigramme | Trigraph |
| Trigénération | Trigeneration |
| Trikāya | Trikaya |
| Trilatéral | Three sided |
| Trilbardou | Trilbardou |
| trilingue | trilingual |
| trilinguisme | trilingualism |
| Trilithe | Trilithon |
| trille | trill |
| Trille blanc | Trillium grandiflorum |
