| Acronym | Meaning |
| CLC | Coordinated List Of Chemicals |
| ICC | Ignition Control Compound |
| CNDO/2-FPP | Complete Neglect Of Differential Overlap With Finite Perturbation And Polarization |
| IAP | Indoor Air Pollution |
| OAPP | Oxidized Atactic Polypropylene |
| ACEL | A.c. Electroluminescent |
| IPPP | Isopropylphenyl Phosphate |
| RAST | Radioallergosorbent Test (immunoassay) |
| BTDC | Before Top Dead Center |
| ILTJ | Iodine-Laser Temperature Jump |