| Acronym | Meaning |
| AAAS | American Academy Of Arts And Sciences |
| PPFD | Photosynthetic Photon Flux D. |
| NSCR | Nonselective Catalytic Reduction |
| MOI | Multiplicity Of Infection |
| RI | Remedial Investigation |
| VOIE | Valence Orbital Ionization Energy |
| DMSP | Defense Meteorological Satellite Program |
| IGFET | Insulated Gate Field Effect Transistor |
| LDV | Light Duty Vehicle |
| AV | Apparent Viscosity |