| Acronym | Meaning |
| SESQUINET | N/A |
| BGP4 | Border Gateway Protocol Version 4 |
| ACC | Accumulator |
| ARPANET | Advanced Research Projects Agency Network |
| FEMA | Federal Emergency Management Agency |
| IAPSO | International Association Of Physical Sciences Of The Ocean |
| WICHE | Western Interstate Commission For Higher Education |
| ACB | Air-operated Circuit Breaker |
| JICA | Japan International Development Agency |
| IGB | International Geophysical Bulletin |