| Subject | Spanish | English |
| med., life.sc. | CL 50 | median lethal concentration |
| med., life.sc. | CL 50 | LC50 |
| comp., MS | conforme a CLS | CLS-compliant (Pertaining to code that publicly exposes only language features that are in the Common Language Specification. CLS compliance can apply to classes, interfaces, components, and tools) |
| transp., tech. | peso CL | conventional landing weight |
| transp., tech. | peso CL | CL weight |
| chem. | S2Cl2 | sulphur chloride |
| chem. | S2Cl2 | S2Cl2 |
| life.sc. | suelo CL | CL soil |