| Acronym | Meaning |
 | IREA | Intermountain Rural Electric Association |
| SHSN | Snow Showers (METAR Code) |
| NIMH | National Institute Of Medical Herbalists - National Institute Of Mental Health |
| WSTC | Women Signallers Territorial Corps (WWII UK) |
| SPCO | Single-Pole Change Over |
| BOHICA | Bend Over |
| USD(A&T) | (U.S.) Under-Secretary Of Defense (Acquisition And Technology) |
| RX | Receive |
| MLLW | Mean Lower Low Water (nautical Charts) |
| SSM | Surface-to-Surface (Guided) Missile |
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