| Acronym | Meaning |
| LSTH | Liu-Siegbahn-Truhlar-Horowitz (potential-energy Surface) |
| ABF | Activated Biofilter |
| MOPITT | Measurements Of Pollution In The Troposphere |
| OP-AMP | Operational Amplifier |
| MIDAS | Manchester Information Datasets And Associated Services |
| BRS | Bibliographic Retrieval System |
| CASTNET | Clean Air Status And Trends Network |
| WSC | Water Soluble Carbohydrate |
| TPU | Thermoplastic Polyurethane |
| FDSO | Full Diagonal Second-order (approxn. To)-green Function |