| Subject | English | French |
| tech., mech.eng. | apex of the fundamental triangle of a parallel screw thread | sommet du triangle générateur d'un filetage triangulaire cylindrique |
| social.sc. | blue triangle on orange ground | triangle bleu sur fond orange |
| life.sc., coal. | connecting triangle on surface of shaft plumbing | triangle de raccordement supérieur |
| environ. | Coral Triangle Initiative on Coral Reefs, Fisheries and Food Security | Initiative du Triangle de corail sur les récifs coralliens, les pêcheries et la sécurité alimentaire |
| environ. | Coral Triangle Initiative on Coral Reefs, Fisheries and Food Security | Initiative "Triangle de corail" sur les récifs coralliens, la pêche et la sécurité alimentaire |
| gen. | Coral Triangle Initiative on Coral Reefs, Fisheries and Food Security | Initiative pour le Triangle de Corail |
| transp. | difference triangle sets theory | théorie mathématique des ensembles de triangles |
| med. | forward triangle formula | formule de débit cardiaque minute |
| tech., mech.eng. | fundamental triangle of a parallel screw thread | triangle générateur d'un filetage triangulaire cylindrique |
| tech., mech.eng. | height of the fundamental triangle of a parallel screw thread | hauteur du triangle générateur d'un filetage triangulaire cylindrique |
| hi.energ. | triangle anomaly | anomalie triangulaire |
| tech. | triangle axiom | axiome du triangle |
| gen. | triangle bandage | écharpe |
| comp., MS | triangle cap | extrémité triangulaire (For paths that contain unconnected ends, the end of the stroke that is extended to taper to a point) |
| tech. | triangle commutations | résolution des triangles |
| tech. | triangle commutations | trigonométrie |
| fin. | triangle configuration | configuration triangle |
| fin. | triangle configuration | configuration en triangle |
| met. | triangle cut | découpe triangle |
| coal. | triangle cut | bouchon convergent triangulaire |
| el. | triangle generator | générateur d'onde triangulaire |
| tech., mech.eng. | triangle head bolt | vis à tête triangulaire |
| tech., mech.eng. | triangle head bolt with collar | vis à tête triangulaire à embase cylindrique |
| tech., mech.eng. | triangle head bolt with collar | vis à tête triangulaire à embase |
| tech., mech.eng. | triangle head with collar | tête triangulaire à embase cylindrique |
| tech., mech.eng. | triangle head with collar | tête triangulaire à embase |
| trav. | triangle mark | marque triangulaire |
| construct. | triangle misclosure | écart de triangle |
| tech., mech.eng. | triangle nut with collar | écrou triangulaire à embase cylindrique |
| tech., mech.eng. | triangle nut with collar | écrou triangulaire à embase |
| gen. | triangle of civil protection | triangle de la protection civile |
| life.sc., coal. | triangle of dip | coupe par la ligne de plus fort pendage |
| med. | triangle of election | triangle carotidien supérieur |
| med. | triangle of election | triangle de Lecène |
| life.sc. | triangle of error | triangle d'erreur |
| life.sc. | triangle of error | chapeau |
| meas.inst. | triangle of errors | triangle des erreurs |
| earth.sc. | triangle of forces | triangle de forces |
| ed. | triangle of knowledge | triangle de la connaissance |
| med. | triangle of necessity | triangle carotidien inférieur |
| med. | triangle of the fillet | triangle de Reil (trigonum lemnisci) |
| handb. | triangle play | jeu de triangle |
| radiat. | triangle pulse | impulsion en triangle |
| med.appl. | triangle-pulse characteristic | caractéristique d'impulsions en triangle |
| med.appl. | triangle-pulse current | courant d'impulsions en triangle |
| comp., MS | triangle strip | bande de triangles (A sequence of triangles in which adjacent triangles share an edge. The first three vertices define the first triangle, and each subsequent vertex defines a new triangle using that point along with two vertices from the previous triangle in the sequence) |
| math. | triangle test | test triangulaire |
| stat. | triangle test | épreuve triangulaire |
| food.ind. | triangle test | méthode triangulaire |
| el. | triangle waveform | signal de forme d'onde triangulaire |
| el. | triangle waveform | signal triangulaire |
| entomol. | white-triangle leaf roller | tordeuse à triangle blanc Archips persicana |
| entomol. | white-triangle leaf roller | tordeuse à tri angle blanc |
| nat.res. | white-triangle leafroller | tortrix à triangle blanc (Clepsis persicana) |
| build.struct. | wooden triangle nailed to stair string | pièce triangulaire de bois clouée au limon |