| Acronym | Meaning |
| WHSV | Wt. Hourly Space Velocity |
| UHF-CO | Unrestricted Hartree-Fock Crystal Orbital |
| IOC-OMEGA | Inclusion Of Overlap Charges In Omega Technique |
| ABES | Alliance For Balanced Environmental Solutions |
| MAPKK | Mitogen-activated Protein Kinase Kinase |
| ASTIS | Arctic Science And Technology Information System |
| ANPRM | Advance Notice Of Proposed Rulemaking |
| IRS | Internal Recognition Subsequence |
| LPIM | Low-pressure Injection Molding |
| DIANE | Direct Information Access Network For Europe |