| Subject | French | English |
| med. | C.A.T.de BELLAK | children's apperception test |
| gen. | "c'est faux", enchaîna-t-elle | "it's not true, " she went on |
| inf. | c'est le bon Dieu qui t'a puni | it serves you right |
| gen. | c'est le bon Dieu qui t'a puni | you got your just deserts (for being bad) |
| inf. | c'est le ciel qui t'a puni | it serves you right |
| gen. | c'est le ciel qui t'envoie | you're a godsend |
| gen. | c'est un soulagement de t'avoir ici | it's a comfort to have you around |
| gen. | c'est un soulagement de t'avoir ici | it helps to have you around |
| transp. | C.I.T. | International Rail-Transport Committee |
| transp. | C.I.T. | C.I.T. |
| life.sc. | C.I.T.pour le passage d'une partie du panache | partial-passage T.I.C. |
| transp. | C.I.W.L.T. | International Sleeping-car and Touring Company |
| med. | contrôle de l'activité d'une préparation d'A.C.T.H.sur l'inflammation au formol | formalin ACTH cutaneous test |
| commun. | C+T | V+U |
| commun. | C+T | Switching and transmission Division |
| transp., avia. | délivrance d'un C.T.A. | initial issue of an AOC |
| unions., econ. | I.C.T. | hazard pay |
| unions., econ. | I.C.T. | danger pay |
| unions., econ. | I.C.T. | danger money |
| gen. | il veut t'épouser, c'est net! | he wants to marry you, that's obvious! |
| gen. | je t'écrirai — c'est ça, à la saint-glinglin! | I'll write to you — and pigs might fly! |
| transp., avia. | modification d'un C.T.A. | variation of an AOC |
| transp., avia. | modifications du C.T.A. | variations of the AOC |
| fin. | ordre G.T.C. | Good till canceled order |
| fin. | ordre G.T.C. | GTC order |
| fin. | prix T.T.C. | price inclusive of all taxes |
| fin. | prix T.T.C. | price including tax |
| transp., avia. | renouvellement d'un C.T.A. | renewal of an AOC |
| market. | T.C. | blind carbon copy |
| el. | t.e.c. | tece |
| el. | t.e.c. | tce |
| el. | t.e.c. | ton of coal equivalent |
| el. | t.e.c. | tonne of coal equivalent |
| el. | t.e.c. | standard coal equivalent |
| hi.energ. | théorème C.P.T. | TCP theorem |
| hi.energ. | théorème C.P.T. | Lüders theorem |
| hi.energ. | théorème C.P.T. | Lüders-Pauli theorem |
| hi.energ. | théorème C.P.T. | CPT theorem |
| med. | translocation de type c/t | c/t type translocation |
| med. | translocation du type c-t | centromere-telomere translocation |
| med. | translocation du type c-t | c-t type translocation |
| gen. | tu la brimes, elle t'en veut, c'est logique | if you pick on her she'll hold it against you, that's only logical |
| gen. | tu la brimes, elle t'en veut, c'est logique | if you pick on her she'll hold it against you, that's only natural |
| gen. | tu la brimes, elle t'en veut, c'est logique | if you pick on her she'll hold it against you, that's only normal |
| commun. | T.V.C. | public access television |
| commun. | T.V.C. | community television |