| French | English |
| bride modèle "C" | pressurizable choke flange |
| bride modèle "C" | flange style "C" |
| f.c.m. | cymomotive force in a given direction |
| f.c.m. | field strength-distance product |
| f.c.m.s. | specific cymomotive force in a given direction |
| f.c.m.s. | specific field strength-distance product |