| Abbreviation | Definition |
|---|---|
| CSRO | Chemical Short Range Order |
| CSS | Chemical Strategy for Sustainability |
| CSSOP | Chemical Safety and Security Outreach Program |
| CSSS | Chemical Sector Security Summit |
| CSt | CentiStokes |
| CSTC | Chemical Safety Topical Committee |
| CSTD | Chemical Sciences and Technology Division |
| CSTR | Continuously Stirred Tank Reactor |
| CTAB | Cetyltrimethylammonium Bromide |
| CTC | Carbon TetraChloride |
| CTCC | Centre for Theoretical and Computational Chemistry |
| CTCP | Centre for Theoretical Chemistry and Physics |
| CTHA | Chemical Tariff Harmonization Agreement |
| CTI | Charge Transfer Inefficiency |
| CTI | Chemical Transportation Inc |
| CTL | Coal To Liquids |
| CTPAS | Chemical Technology Program Approval Service |
| CTPE | Coal Tar Pitch Emulsion |
| CTS | Coolant Temperature Sensor |
| CTT | Chemistry Toxicity Test |