| Acronym | Meaning |
| PLCC | Plastic Leadless Chip Carrier |
| SNAP | Soluble NSF Attachment Protein |
| CEOOWG | Commercial Earth And Ocean Observations Working Group |
| ITC | Interagency Testing Committee (TSCA) |
| APS | Aerodynamic Particle Sizer |
| MACHO | Massive Compact Halo Object |
| ECP-CPP | Effective Core Potential (augmented By)-core Polarization Potential |
| URF | Unit Risk Factor |
| CHF-PT-EB | Coupled Hartree-Fock-perturbation Theory-extended Basis |
| ANWR | Artic National Wildlife Refuge |