| Acronym | Meaning |
| OAM | Optical Absorption Microscope |
| CME | Coronal Mass Ejection |
| RTRP | Reinforced Thermosetting Resin Pipe |
| PCU | Process Control Unit |
| STA | Science And Technology Agency (Japan) |
| NCAP | Noncriteria Air Pollutants |
| SV | Sampling Visit |
| NPA | Natural Population Analysis |
| ACF | Anticoagulant Factor |
| SCS | Soil Conservation Service |