| Acronym | Meaning |
| IFA | Immunofluorescence Assay |
| MAH | Magic-angle Hopping |
| HPM | Hole-potential Model (in Calcn. Of Mol. Excited States) |
| MOG | Mobil Olefins-to-gasoline [process] |
| IRS | Internal Recognition Subsequence |
| LMO | Localized Molecular Orbital |
| DI | Differentiation Index |
| COC | Contaminants Of Concern |
| IPPP | Iterative Pariser-Parr-Pople Method |
| MMC | Molecular Mechanics For Clusters Model |