| Acronym | Meaning |
| TSP | Total Suspended Particles |
| IPPP | Inner Projections (of The) Polarization Propagator (in Calcns. On Nuclear Spin Coupling) |
| DEIA | DNA Enzyme Immunoassay |
| DIRBE | Diffuse IR Background Experiment |
| FCS | Fluorescence Correlation Spectroscopy |
| DMRG | Density Matrix Renormalization Group (quantum Calcn. Method) |
| GFR | Glomerular Filtration Rate |
| ARDRA | Amplified RDNA Restriction Analysis |
| NODC | National Oceanographic Data Center (Washington |
| ECHIC | Evaporative Compact High-intensity Cooler |