| A&W | Ammann & Whitney (engineering consultants) |
| AASHTO | American Association of State Highway and Transportation Officials |
| AO | Arecibo Observatory |
| ARPA | Advanced Research Projects Agency |
| ASCE | American Society of Civil Engineers |
| ATM | Division of Atmospheric Sciences (NSF) |
| CW | continuous wave |
| EIRP | Effective Isotropic Radiated Power |
| EM | electromagnetic |
| EOR | Engineer of Record |
| EP | electroplasticity |
| FE | finite element |
| FMEA | failure modes and effect analysis |
| FMECA | failure modes effects and criticality analysis |
| FY | fiscal year |
| HAC | hydrogen-assisted cracking |
| HE | hydrogen embrittlement |
| HEAC | hydrogen environmentally assisted cracking |
| LEP | low-current electroplasticity |
| M4-2T | Main Cable 2 Tower 4 (third cable failure) |
| M4-4T | Main Cable 4 Tower 4 (second cable failure) |
| M4N-T | Auxiliary Cable North Side Tower 4 (first cable failure) |
| MPE | maximum permissible exposure |
| O&M | operations and maintenance |
| OMB | Office of Management and Budget |
| NAIC | National Astronomy and Ionosphere Center |
| NASA | National Aeronautics and Space Administration |
| NESC | NASA Engineering and Safety Center |
| NSF | National Science Foundation |
| PLC | power law creep |
| PTI | Post-Tensioning Institute |
| RF | radio frequency |
| RFP | request for proposal |
| SCC | stress corrosion cracking |
| SRI | SRI International |
| TT | Thornton Tomasetti, Inc. (engineering consultants) |
| UCF | University of Central Florida |
| WJE | Wiss, Janney, Elstner Associates, Inc. (engineering consultants) |
| WSP | WSP Global, Inc. |
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