| Acronym | Meaning |
| DMW | Dissimilar-metal Weld |
| CNDO/S | Complete Neglect Of Differential Overlap/spectroscopic |
| RSNA | Renal Sympathetic Nerve Activity |
| AFBBR | Anaerobic Fluidized Bed Biofilm Reactor |
| RDNP | Reverse Differential Normal Pulse |
| NERC | Natural Environment Research Council (UK) |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| SPIPES | Spin Polarized Inverse Photoemission Spectroscopy |
| AU | Astronomical Unit |
| EACE | Enzyme Affinity Capillary Electrophoresis |