| Acronym | Meaning |
 | EIS | Environmental Impact Statement |
| WWJD | What Would Jesus Do? (see WWWD) |
| ULF | Ultra Low Frequency |
| MPFC | Medial PreFrontal Cortex |
| PMOS | P-type/Positive Metal-Oxide-Semiconductor Transistor (pee-moss) |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation |
| NHB | New Hebrides (ISO 3166 Trigram; Obsolete 1980) |
| HFEA | Human Fertilisation And Embryology Authority (UK) |
| USSR | Union Of Soviet Socialist Republics |
| EEK | Estonian Kroon (ISO 4217 Currency Code) |
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