| Abbreviation | Definition |
|---|---|
| LBBA | Lewis Base-Assisted Brønsted Acid |
| LBBA | Low Boiling Blowing Agents |
| LBWB | Low- Boiling Working Bodies |
| LBWB | Low-Boiling Working Body |
| LC | Lethal Chamber |
| LC | Liquid Cooled |
| LC | Liquid Coupling |
| LC | liquid crystal |
| LCA | Louisiana Chemical Association |
| LCAME | Lipoyl Caffeic Acid Methyl Ester |
| LCB | Long Chain Base |
| LCDC | Licensed Chemical Dependency Counselor |
| LCDP | licensed chemical dependency professional |
| LCEE | L-Cysteine Ethyl Ester |
| LCFA | Long Chain Fatty Acid |
| LCFR | Liquid Chloride Fast Reactor |
| LCIA | Louisiana Chemical Industry Alliance |
| LCL | Link Connected Liquid |
| LCM | Loss Circulation Material |
| LCMI | Louisiana Chemical Manufacturing Initiative |