| Acronym | Meaning |
| MACS | Modified Atomic Charge Superposition (in Calcns. On Atom-surface Scattering Potentials) |
| TASO | Terminal Atom Symmetry Orbital |
| ZID | Zone Of Initial Dilution |
| BPFT | Bohm-Pines-Fock-Tani (Hamiltonian In Calcns. On Plasmons) |
| MNDO-PM3 | Modified Neglect Of Diatomic Overlap-parametric Method |
| PVC | Pigment Volume Concentration |
| COC | Cleveland Open Cup (Flash Point Test Method) |
| NADAP | National Atmospheric Deposition Assessment Program |
| ORCA | Optical Resonance Cavity Analyzer |
| PRISM | Parameter-related Internal Standard Method |