| Subject | English | French |
| CNC, meas.inst. | stepless action | action progressive |
| mech.eng. | stepless adjustable gear | variateur de vitesse à réglage progressif |
| nucl.phys., OHS | stepless channel | canal sans gradins (duct, through a shield) |
| nucl.phys., OHS | stepless channel | passage sans gradins (duct, through a shield) |
| nucl.phys., OHS | stepless channel | conduit sans gradins (duct, through a shield) |
| mech.eng. | stepless drive | commande à réglage progressif |
| mech.eng. | stepless drive | mécanisme à variation continue |
| mech.eng. | stepless drive | mécanisme de changement de vitesse à variation continue |
| mech.eng. | stepless drive | transmission à variation continue de la vitesse |
| mech.eng. | stepless drive | variateur de vitesse |
| mech.eng. | stepless drive | variateur |
| mech.eng. | stepless drive | changement de vitesse à variation continue |
| med.appl. | stepless pronation | pronation continue |
| mech.eng. | stepless speed control | variateur continu de vitesse |
| mech.eng. | stepless speed variation | variation continue de vitesse |
| med.appl. | stepless supination | supination sans paliers |
| tech. | stepless transmission | variateur |
| tech. | stepless transmission | transmission continue |
| mater.sc., mech.eng. | stepless variable | à réglage en continu |
| mater.sc., mech.eng. | stepless variable | variable sans échelons |
| mater.sc., mech.eng. | stepless variable | infinement variable |
| mech.eng. | stepless variable transmission | transmission à variation continue |