| Subject | French | English |
| avia., Canada | AIM de TC | Aeronautical Information Manual |
| avia., Canada | AIM de TC | Transport Canada Aeronautical Information Manual |
| transp. | document TC | combined transport document |
| transp. | document TC | CT document |
| IT, transp. | gonio TC | clear weather goniometer |
| IT, transp. | gonio TC | CW goniometer |
| IT, transp. | goniomètre TC | clear weather goniometer |
| IT, transp. | goniomètre TC | CW goniometer |
| el. | point de TC | clearing point |
| commun. | sous-couche TC | transmission convergence sublayer |
| commun. | sous-couche TC | TC sublayer |
| supercond. | supraconducteur basse Tc | low-Tc superconductor |
| supercond. | supraconducteur basse Tc | low temperature superconductor |
| supercond. | supraconducteur haute Tc | high-Tc superconductor |
| supercond. | supraconducteur haute Tc | high temperature superconductor |
| transp. | tarif TC | rate for a complete trainload |
| transp. | tarif TC | block train rate |
| fin., IT | TC31 | comprehensive guarantee certificate |
| fin., IT | TC31 | guarantee certificate |
| fin. | TC32 | flat-rate guarantee voucher |
| avia., Canada | TC Aviation | TC Aviation |
| avia., Canada | TC Aviation | Transport Canada Aviation |
| transp. | trafic combiné non accompagné:TC NA | unaccompanied combined transport |