| Acronym | Meaning |
| NCTM | National Council Of Teachers Of Mathematics |
| OB | Optical Bench |
| ELP | Equipment Loan Program |
| AO | Annotated Outline |
| MOS | Marine Observation Satellite |
| EM | Electromagnetic |
| AEP | Alkaline Earth Precipitate |
| EMEP | European Model And Evaluation Program |
| RI# | Richardson Number |
| MCA | Manufacturing Chemists Association |