| S-MPPT | Supermolecular Moeller-Plesset Perturbation Theory | - | Computer Acronyms(common) |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) | - | Computer Acronyms(common) |
| SA-CAS-SCF | State-averaged-complete Active Space-SCF | - | Computer Acronyms(common) |
| SA-LCAO | Symmetry-adapted Linear Combination Of Atomic Orbitals | - | Computer Acronyms(common) |
| SA-MCSCF | State Averaged Multiconfiguration Self-consistent Field (wave Function) (see Also ICF-CI) | - | Computer Acronyms(common) |
| SAA | Serum Amyloid A | - | Computer Acronyms(common) |
| SAACGS | State Ambient Air Concentration Guidelines Or Standards | - | Computer Acronyms(common) |
| SAAO | Symmetry-adapted Atomic Orbital | - | Computer Acronyms(common) |
| SAAP | Spin Adapted Antisymmetrized Product (in MC-SCF Theory) | - | Computer Acronyms(common) |
| SAB | Science Advisory Board (USEPA) | - | Computer Acronyms(common) |
| SAB | Substratum-aerated-biofilm Reactor | - | Computer Acronyms(common) |
| SABER | Sounding Of The Atmosphere Using Broadband Emission Radiometry | - | Computer Acronyms(common) |
| SABRE | Sweden And Britain Radar Experiment | - | Computer Acronyms(common) |
| SABS | South African Bureau Of Standards | - | Computer Acronyms(common) |
| SAC | Self-Aligned Contact | - | Computer Acronyms(common) |
| SAC | Spectral Absorption Coeff. | - | Computer Acronyms(common) |
| SAC | Symmetry-adapted Cluster (expansion Method For Calcg. Wave Functions) | - | Computer Acronyms(common) |
| SAC-CI | Symmetry-adapted Cluster Configuration Interaction (theory For Wave-function Expansion) | - | Computer Acronyms(common) |
| SACF | Symmetry-adapted Configuration Function | - | Computer Acronyms(common) |
| SACM | Superfund Accelerated Cleanup Model | - | Computer Acronyms(common) |
| SACM | Statistical Adiabatic Channel Method (in Ion-mol. Reactions) | - | Computer Acronyms(common) |
| SACRED | Silicon Array For ConveRsion Electron Detection | - | Computer Acronyms(common) |
| SAD | Selected Area Diffraction Patterns (crystal Chemistry) | - | Computer Acronyms(common) |
| SADP | Selected Area Diffraction Patterns | - | Computer Acronyms(common) |
| SADPT | Symmetry-adapted Double Perturbation Theory | - | Computer Acronyms(common) |
| SADT | Self Accelerating Decomposition Temperature | - | Computer Acronyms(common) |
| SADVR | Symmetry-adapted Discrete Variable Representation (in Mol. Wave Function Calcn. For Nuclear Motion On A Given PES) | - | Computer Acronyms(common) |
| SAE | Society Of Automotive Engineers | - | Computer Acronyms(common) |
| SAED | Selected Area Electron Diffraction | - | Computer Acronyms(common) |
| SAES | State Agricultural Experiment Stations | - | Computer Acronyms(common) |
| SAES | Scanning Auger Electron Spectroscopy | - | Computer Acronyms(common) |
| SAEST | Society For Advancement Of Electrochemical Science And Technology | - | Computer Acronyms(common) |
| SAF | Symmetry Adapted Function (in CI Calcns.) | - | Computer Acronyms(common) |
| SAFARI | Southern African Regional Science Initiative | - | Computer Acronyms(common) |
| SAFETI | Software For The Assessment Of Fire | - | Computer Acronyms(common) |
| SAFIR | Single Aperture Far-Infrared Observatory | - | Computer Acronyms(common) |
| SAFIR | Smoke Gas Anal. By Fourier Transform IR Spectroscopy | - | Computer Acronyms(common) |
| SAFIRE | Spectroscopy Of The Atmosphere Using Far Infrared Emission | - | Computer Acronyms(common) |
| SAFM | Scanning Acoustic Force Microscopy | - | Computer Acronyms(common) |
| SAFM | Scanning Attractive Force Microscopy | - | Computer Acronyms(common) |
| SAFT | Spark Analysis For Traces | - | Computer Acronyms(common) |
| SAFT | Statistical Assocg. Fluid Theory | - | Computer Acronyms(common) |
| SAFT-VR | Statistical Assocg. Fluid Theory For Chain Mols. With Interaction Potentials Of Variable Range | - | Computer Acronyms(common) |
| SAGA | Soviet American Gas And Aerosol Experiment | - | Computer Acronyms(common) |
| SAGE | Soviet-American Gallium Experiment | - | Computer Acronyms(common) |
| SAGE | Stratospheric Aerosol And Gas Experiment | - | Computer Acronyms(common) |
| SAGE | Serial Analysis Of Gene Expression | - | Computer Acronyms(common) |
| SAGE II | Stratospheric Aerosol And Gas Expt. II | - | Computer Acronyms(common) |
| SAGFET | Self-aligned Gate Field Effect Transistor | - | Computer Acronyms(common) |
| SAI | Simplified Ab Initio Method | - | Computer Acronyms(common) |
| SAI | Spline-fitted Ab Initio (potential Energy Surface) | - | Computer Acronyms(common) |
| SAIC | Science Applications International Corporation | - | Computer Acronyms(common) |
| SAIM | Scaled Atoms-in-molecules | - | Computer Acronyms(common) |
| SAIS | Science And Applications Information System | - | Computer Acronyms(common) |
| SALCCSD | Spin-adapted Linear Coupled-cluster (with) Single And Double Excitations) | - | Computer Acronyms(common) |
| SALD | Selective Area Laser Deposition | - | Computer Acronyms(common) |
| SALDI | Surface-assisted Laser Desorption/ionization | - | Computer Acronyms(common) |
| SALI | Secondary Atom Laser Ionization | - | Computer Acronyms(common) |
| SALQR | Successive Approximation Linear Quadratic Regulator (for Groundwater Management) | - | Computer Acronyms(common) |
| SALS | Small-angle Light Scattering | - | Computer Acronyms(common) |
| SALSA | Scoring Algorithm For Spectral Analysis | - | Computer Acronyms(common) |
| SAM | Scanning Auger Microscopy | - | Computer Acronyms(common) |
| SAM | Sterile Alpha Motif | - | Computer Acronyms(common) |
| SAM | Stratospheric Aerosol Monitor | - | Computer Acronyms(common) |
| SAM | Scanning Acoustic Microscopy | - | Computer Acronyms(common) |
| SAM | Self-assembled Monolayer | - | Computer Acronyms(common) |
| SAM1 | Semi-ab Initio Model1 | - | Computer Acronyms(common) |
| SAMA | Scientific Apparatus Makers Association | - | Computer Acronyms(common) |
| SAMBA | Satellite For Measurement Of Background Anisotropies | - | Computer Acronyms(common) |
| SAMHSA | Substance Abuse And Mental Health Services Administration | - | Computer Acronyms(common) |
| SAMI | Southern Appalachian Mountains Initiative | - | Computer Acronyms(common) |
| SAMMS | Self-assembled Monolayers On Mesoporous Supports | - | Computer Acronyms(common) |
| SAMO | Simulated Ab Initio Molecular Orbital | - | Computer Acronyms(common) |
| SAMOS | System For Automated Monitoring Of Org. Pollutants In Surface Water | - | Computer Acronyms(common) |
| SAMPE | Society For The Advancement Of Material And Process Engineering | - | Computer Acronyms(common) |
| SAMPEX | Solar Anomalous And Magnetospheric Particle Explorer (spacecraft) | - | Computer Acronyms(common) |
| SAMPL | Selective Amplification Of Microsatellite Polymorphic Loci | - | Computer Acronyms(common) |
| SAMS | Stratospheric And Mesospheric Sounder | - | Computer Acronyms(common) |
| SAMSON | Severe Accident Management System Online Network | - | Computer Acronyms(common) |
| SAN | Styrene-acrylonitrile Copolymer | - | Computer Acronyms(common) |
| SANDER | Simulated Annealing With NMR-derived Energy Restraints | - | Computer Acronyms(common) |
| SANDS | Stratospheric Aitken Nuclei Detection System | - | Computer Acronyms(common) |
| SANO | Symmetry-adapted Natural Orbital | - | Computer Acronyms(common) |
| SANS | Small-angle Neutron Scattering | - | Computer Acronyms(common) |
| SAP | Scientific Advisory Panel (FIFRA) | - | Computer Acronyms(common) |
| SAP | Sampling And Analysis Program | - | Computer Acronyms(common) |
| SAPHIR | Spectrometer Arrangement For Photon Induced Reactions | - | Computer Acronyms(common) |
| SAPK | Stress-activated Protein Kinase | - | Computer Acronyms(common) |
| SAPRC | Statewide Air Pollution Research Center | - | Computer Acronyms(common) |
| SAPS | Spherical Average Pseudopotential | - | Computer Acronyms(common) |
| SAPT | Symmetry-adapted Perturbation Theory | - | Computer Acronyms(common) |
| SAPW | Symmetrized Augmented Plane Wave | - | Computer Acronyms(common) |
| SAQM | SARMAP Air Quality Model | - | Computer Acronyms(common) |
| SAR | Structure-Activity Relationship | - | Computer Acronyms(common) |
| SAR | Synthetic Aperture Radar | - | Computer Acronyms(common) |
| SAR | Sequential Adiabatic Reduction | - | Computer Acronyms(common) |
| SAR | Simulated Acidic Rain | - | Computer Acronyms(common) |
| SAR | Sodium Absorption Ratio | - | Computer Acronyms(common) |
| SARA | Smad Anchor For Receptor Activation | - | Computer Acronyms(common) |
| SARA | Saturates | - | Computer Acronyms(common) |
