| Subject | English | French |
| el. | orbit of trapped particle | orbite de particule piégée |
| el. | orbit of trapped particle | banane |
| hi.energ. | particle orbit | orbite de la particule (closed or nearly closed, in a cyclic accelerator) |
| hi.energ. | particle orbit contractor | contracteur de l'orbite (des particules) |
| hi.energ. | particle orbit expander | dilatateur de l'orbite (des particules) |