| Subject | English | French |
| tech. | a plane perpendicular to the incident rays | un plan normal aux rayons incidents |
| construct. | anchor, perpendicular to the joists | ancre perpendiculaire aux gîtes |
| agric., industr., construct. | compression perpendicular to the grain | compression transversale |
| agric., industr., construct. | compression perpendicular to the grain | compression de flanc |
| tech., industr., construct. | conical package with straight ends perpendicular to the axis of the former | enroulement conique à flancs droits perpendiculaires à l'axe du support |
| tech., industr., construct. | conical package with straight ends perpendicular to the surface of the former | enroulement conique à flancs droits perpendiculaires à la paroi du support |
| transp., tech. | course perpendicular to the collision barrier | trajectoire perpendiculaire à la barriere à heurter |
| tech., industr., construct. | direction of force air perpendicular to the fabric | direction d'air insufflé perpendiculaire à l'étoffe |
| transp. | excitation perpendicular to the measurement axis | axe de mesure réel |
| transp., tech., law | excitation perpendicular to the measurement axis | excitation perpendiculaire à l'axe de mesure |
| earth.sc., transp. | movement perpendicular to the centre of the track | mouvement perpendiculaire à l'axe de la voie |
| scient. | perpendicular to | perpendiculaire à |
| scient. | perpendicular to | perpendiculaire sur |
| astr. | perpendicular to ... | perpendiculaire |
| life.sc., coal. | perpendicular to geologic strata | perpendiculaire à la stratification |
| met. | perpendicular to the direction of growth of the rods | perpendiculaire à la direction de croissance des bâtonnets |
| astr. | perpendicular to the field | perpendiculaire au champ |
| industr., construct. | perpendicular to the grain | perpendiculaire au fil |
| industr., construct. | perpendicular to the grain | fil debout |
| tech., chem. | perpendicular to the layers of a laminate | perpendiculaire au plan des strates |
| tech., chem. | perpendicular to the layers of a laminate | perpendiculaire à la stratification |
| life.sc., coal. | section perpendicular to a seam drawn through seam and adjoining rock | coupe de veine |
| construct. | shear perpendicular to grain | cisaillement perpendiculaire aux fibres |
| construct. | sheet steel piling perpendicular to the quay | palplanche métallique pour batardeau |
| construct. | to draw an ellipse by perpendiculars | dessiner un ellipse par lignes parallèles |
| construct. | to drop a perpendicular | abaisser une perpendiculaire |