| Acronym | Meaning |
| DIPSI | Direct Implicit Plasma Surface Interactions (computer Program) |
| HHG | High-order Harmonic Generation |
| CIIR | Chlorinated Isobutylene-isoprene Rubber |
| LTO | Laguerre-type Orbital (an Ao) |
| MOBK | Modified Oppenheimer-Brinkman-Kramers (approxn. In Calcns. On Atomic And Molecular Collisions With Ions) |
| AGID | Agar Gel Immunodiffusion |
| COPC | Contaminants Of Potential Concern |
| NYSAS | New York Summer Aerosol Study |
| REMCO | ISO Council Committee On Reference Materials |
| FLDA | Fuzzy Linear Discriminant Analysis |