| Acronym | Meaning |
| OCAMS | Orbital Correspondence Analysis In Maximum Symmetry |
| NIPDWR | National Interim Primary Drinking Water Regulations |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| SOP | Split-operator Propagator |
| NCHGR | National Center For Human Genome Research |
| TNLCD | Twisted Nematic Liquid Crystal Display |
| DPE | Dual-phase Extraction |
| SSH | Su-Schieffer-Heeger (model Hamiltonian For Electronic-structure Calcns.) |
| PAF | Platelet Activating Factor |
| MAPKK | Mitogen-activated Protein Kinase Kinase |