| OST | object sorting test; Office of Science and Technology |
|---|---|
| PCAST | President's Committee of Advisors on Science and Technology |
| PTSM | Plant, Technology and Safety Management |
| SLT | left sacrotransverse [fetal position] [Lat. sacrolaeva transversa]; single lung transplantation; smo... |
| SNIVT | Society of Non-Invasive Vascular Technology |