| transformability | capacité de transformation |
| transformation | métamorphose |
| transformer | transformateur |
| Transformers series | Transformers |
| transfuse | transfuser |
| transfusion | transfusion sanguine |
| Transfăgărăşan | Route Transfăgăraş |
| transgender | transgenre |
| transgenic | transgénique |
| Transgenic maize | Maïs Bt |
| transgress | violer |
| transgression | infraction |
| Transhab | Transhab |
| transhumance | transhumance |
| transient | fugitif |
| Transil | Diode Transil |
| transistor | transistor |
| transistor radio | transistor |
| transistorize | transistoriser |
| transit | transit |
| Transit circles | Cercle meridien |
| Transit instruments | Instrument des passages |
| Transit of Earth from Mars | Transit de la Terre depuis Mars |
| Transit of Mercury | Transit de Mercure |
| Transit of Mercury from Mars | Transit de Mercure depuis Mars |
| Transit of Mercury from Venus | Transit de Mercure depuis Vénus |
| Transit of Phobos from Mars | Transit de Phobos depuis Mars |
| Transit telescopes | Lunette meridienne |
| transition | passage |
| transition element | élément de transition |
| transition metal | élément de transition |
| Transition state | État de transition |
| transitional | transitionnel |
| Transitional fossil | Forme transitionnelle |
| Transitional Government of the Democratic Republic of the Congo | Gouvernement de transition |
| Transitional Islamic State of Afghanistan | Afghanistan |
| Transitional object | Objet transitionnel |
| Transitional period | Période transitoire |
| Transitional phase | Phase de transition |
| Transitional Program | Programme de transition |
| transitive | transitif |
| Transitive set | Ensemble transitif |
| transitive verb | verbe transitif |
| transitively | transitivement |
| transitivity | transitivité |
| transitory | fugitif |
