| Acronym | Meaning |
| ICTV | International Committee On The Taxonomy Of Viruses |
| FPLA | Field-programmable Logic Array |
| IOSA | Infinite Order Suden Approxn. (for Mol. Scattering Calcns.) |
| LOPC | Laser Optical Particle Counter |
| IAP | Inhibitor Of Apoptosis |
| MBSF | Meters Below Seafloor |
| ICVT | Improved Canonical Variational Theory |
| OEIC | Optoelectronic Integrated Circuit |
| RAMAN | Regional Atmospheric Measurement And Analytical Network |
| AQTAD | Air-Quality Technical Assistance Demonstration |