| Acronym | Meaning |
| EBSM | Extended Breathing Shell Model |
| BEA | Bureau Of Economic Analysis |
| AASHTO | American Association Of State And Highway Transportation Officials |
| HADD | Highest Average Daily Dose |
| GBF | Gibbs-Bogolyubov-Feynman (variational Principle) |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| SGPT | Serum Glutamic-pyruvic Transaminase |
| SPPD | Spin Polarized Photoelectron Diffraction |
| AMBIENS | Atmospheric Mass Balance Of Industrially Emitted And Natural Sulfur |
| WPAC | Working Party On Analytical Chemistry |