| trifling | trivial |
| Trifluoromethanesulfonic acid | Triflato |
| Trifolium pratense | Trifolium pratense |
| Trifon Ivanov | Trifon Ivanov |
| Triforce | Trifuerza |
| trig | acicalado |
| TRIGA | TRIGA |
| Trigatron | Trigatrón |
| trigeminal nerve | nervio trigémino |
| Trigeneration | Trigeneración |
| trigger | hacer estallar |
| Trigger Happy TV | Trigger Happy TV |
| trigger off | desencadenar |
| trigger-happy | gatillo fácil |
| Triglav | Triglav |
| Triglav National Park | Triglav |
| triglyceride | triglicérido |
| Trignometric function | Función trigonométrica |
| trigon | trígono |
| Trigonella | Trigonella |
| Trigonocephaly | Trigonocefalia |
| trigonometric | trigonométrico |
| trigonometric function | función trigonométrica |
| Trigonometric identity | Identidad trigonométrica |
| Trigonometric parallax | Paralaje trigonométrica |
| trigonometry | trigonometría |
| Trigonosaurus | Trigonosaurus |
| Trigonostemon | Trigonostemon |
| Trihalomethane | Trihalometano |
| Trikala | Trikala |
| Trikala Prefecture | Trikala |
| Trilateral Commission | Comisión Trilateral |
| trilingual | trilingüe |
| Triliteral | Radikal |
| trill | trino |
| trillion | billón |
| trillionth | trillonésimo |
| Trillium grandiflorum | Trillium grandiflorum |
| trilobite | trilobite |
| trilogy | trilogía |
| trim | reducir |
| trimaran | trimarán |
| trimer | trímero |
| trimester | trimestre |
| trimethoprim | trimetoprima |
| Trimethylglycine | Betaína |
| Trimix | Trimix |
| trimming | adorno |
| Trimmis | Trimmis |
| trimotor | trimotor |
| Trimstein | Trimstein |
| Trin | Trin |
| Trinacria | Trinacria |
| Trindade | Trindade |
| Trindade and Martim Vaz | Trinidad y Martín Vaz |
| Trinidad | Trinidad |
| Trinidad and Tobago | Trinidad y Tobago |
| Trinidad and Tobago dollar | Dólar trinitense |
| Trinidad and Tobago national football team | Selección de fútbol de Trinidad y Tobago |
| Trinidad Piping-guan | Pipile pipile |
| Trinidadian | trinitense |
| Trinidadian and Tobagonian | trinitense |
| Trinitarian Order | Orden Trinitaria |
| Trinitrotoluene | Trinitrotolueno |
| Trinity | Trinidad |
| Trinity Blood | Trinity Blood |
| Trinity River | Río Trinidad |
| Trinity Sunday | Trinidad |
| Trinity test | Prueba Trinity |
| Trinità dei Monti | Trinità dei Monti |
| trinket | dije |
| Trinley Thaye Dorje | Thaye Dorje |
| trinomial | trinomio |
| Trinomial nomenclature | Nomenclatura trinomial |
| trio | trío |
| Triod | Triodo |
| Triodia | Triodia |
| Trionychidae | Trionychidae |
| Trionychoidea | Trionychoidea |
| Triopas | Triopas |
| Triops | Triops cancriformis |
| triose | triosa |
| trioxide | trióxido |
| trip | excursión |
| Trip computer | Económetro |
| trip over | tropezar con |
| trip up | hacer tropezar |
| tripartite | tripartito |
| Tripartite Pact | Pacto Tripartito |
| tripe | callos |
| Triphenylmethane | Trifenilmetano |
| Triphenylphosphine | Trifenilfosfina |
| Triphosgene | Trifosgeno |
| Tripitaka | Tipitaka |
| triple | triple |
| Triple Alliance | Triple Alianza |
| Triple bottom line | Triple bottom line |
| Triple Crown Championship | Triple Crown Championship |
| Triple Crown of Brazilian Football | Triple Corona |
| Triple Crown of Thoroughbred Racing | Triple Corona |
| Triple deities | Triásico |
| Triple Entente | Triple Entente |
| Triple Frontier | Hito Tres Fronteras |
| Triple H | Paul Levesque |
| triple jump | salto triple |
