| Acronym | Meaning |
 | ACD | Atmospheric Chemistry Division |
| ATM | Apollo Telescope Mount |
| ISWS | Illinois State Water Survey |
| BDU | Bus Data Unit |
| MAC | Multiple Access Computer |
| VHF | Very High Frequency |
| TCP/IP | Transmission Control Program/Internet Protocol |
| PIPOR | Program For International Polar Ocean Research |
| JCL | Job Control Language |
| NCTM | National Council Of Teachers Of Mathematics |
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