| Subject | French | English |
| transp. | branchement à déviation à droite C.I.N.cintré intérieur | right hand turnout on similar flexive curve |
| transp. | branchement à déviation à gauche C.I.N.cintré intérieur | left hand turnout on similar flexive curve |
| transp. | branchement à déviation à gauche C.I.N.cintré intérieur | L.H. turnout on similar flexive curve |
| IT | bus I2C | inter-integrated circuit bus |
| IT | bus I2C | I2C bus |
| med. | C.I.D. | defibrination syndrome |
| med. | C.I.D. | disseminated intravascular coagulation |
| med. | C.I.D. | consumption coagulopathy |
| law, el. | C.I.E. | International Commission of Illumination |
| law, el. | C.I.E. | I.C.I. |
| market., transp. | C.I.P.C.E. | Informations and Publicity Centre of the European Railways |
| earth.sc., mech.eng. | c.i.r. | pitch point |
| 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.V. | International Convention concerning the Carriage of Passengers and Luggage by Rail |
| transp. | C.I.V. | C.I.V. |
| transp. | C.I.W.L.T. | International Sleeping-car and Touring Company |
| gen. | condensateur pour C.I. | capacitor for printed circuit mounting |
| gen. | condensateur pour C.I. | printed circuit capacitor |
| gen. | condensateur pour C.I. | capacitor for PC-board mounting |
| tech., chem. | D.I.C. | iodometric chlorine test |
| transp. | fiche U.I.C. | U.I.C.leaflet |
| unions., econ. | I.C.T. | danger pay |
| unions., econ. | I.C.T. | hazard pay |
| unions., econ. | I.C.T. | danger money |
| stat., market. | importations valeur c.i.f. | import cost,insurance and freight |
| stat., market. | importations valeur c.i.f. | import c.i.f. |
| tech. | I.R.C. abrév. | colour infra-red (abrév. C.I.R.) |
| tech. | I.R.C. abrév. | color infra-red (abrév. C.I.R.) |
| stat. | l.i.i.c. | lower limit to confidence interval |
| stat. | l.s.i.c. | upper limit of confidence interval |
| phys.sc., energ.ind. | P.C.I. | low heat value |
| phys.sc., energ.ind. | P.C.I. | lower heating value |
| phys.sc., energ.ind. | P.C.I. | net calorific value |
| phys.sc., energ.ind. | P.C.I. | net specific energy |
| phys.sc., energ.ind. | P.C.I. | net heating value |
| phys.sc., energ.ind. | P.C.I. | low calorific value |
| gen. | planification des C3I | Command, Control, Communications and Intelligence Planning |
| gen. | planification des C3I | C3I Planning |
| transp. | potentiomètre I/C | I/C volume control |
| econ., insur., IT | prix C.I.F. | cost insurance freight price |
| econ., insur., IT | prix C.I.F. | CIF price |
| el. | système de test dynamique pour c.i. | i-c dynamic test system |
| transp. | traversée-jonction double enroulée C.I.N. | with similar flexure slip roads |
| transp. | traversée-jonction double enroulée C.I.N. | outside double slip on similar flexure curves |
| transp. | traversée-jonction simple enroulée C.I.N. | outside single slip on inside of similar flexure curves |
