| Acronym | Meaning |
 | SARIS | Scattering And Recoiling Imaging Spectrometry |
 | SARM | Synthetic Analytical Reference Matrix (US EPA) |
 | SARM | Selective Androgen Receptor Modulator |
 | SAROAD | Storage And Retrieval Of Aerometric Data |
 | SARP | Safety Analysis Report For Packaging |
 | SARS | Scattering And Recoiling Spectrometry |
 | SARS | Severe Acute Respiratory Syndrome |
 | SART | Specific Alternation Of Rhythm In Temperature |
 | SAS | Statistical Anal. System |
 | SAS | Small Angle Scattering |
 | SAS | Surface-active Substance |
 | SASA | Solvent-accessible Surface Area |
 | SASE | Self-amplified Spontaneous Emission |
 | SASF | Straight Anisotropic Single-mode Fiber |
 | SASS | Source Assessment Sampling System |
 | SASU | Source Apportionment |
 | SAT | Sulfuric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
 | SATI | Spectral Airglow Temp. Imager |
 | SATRAS | Satellite Transition Spectroscopy |
 | SAW | Surface Acoustic Wave |
 | SAW | Self-avoiding Walk [modeling] |
 | SAW | Submerged Arc Welding |
 | SAWD | Solid Amine Water Desorbed |
 | SAWS | Surface Acoustic Wave Sensor |
 | SAXPS | Selected Area X-ray Photoelectron Spectroscopy |
 | SAXRD | Small-angle X-ray Diffraction |
 | SAXS | Small Angle X-ray Scattering |
 | SBA | Small Business Administration |
 | SBA | Second Born Approximation |
 | SBA | Short Bed Adsorbers |
 | SBA | Slurry Blasting Agents |
 | SBAR | Sequencing Batch Anaerobic Reactor(s) |
 | SBCOD | Slowly Biodegradable Chemical Oxygen Demand |
 | SBCPA | Single-bond Coherent Potential Approximation |
 | SBD | Schottky-barrier Diode |
 | SBDD | Structure-based Drug Design |
 | SBE | Single Base Extension |
 | SBE | Starch Branching Enzyme |
 | SBE | Sulfobutyl Ether |
 | SBF | Simulated Body Fluid |
 | SBH | Schottky-barrier Height |
 | SBH | Sequencing By Hybridization |
 | SBIG | Subject-based Information Gateway |
 | SBIR | Small Business Innovative Research Program |
 | SBLA | Sealed Bipolar Lead Acid (battery) |
 | SBMF | Slave-boson Mean Field (in Electronic-structure Calcns.) |
 | SBMO | Subjacent Molecular Orbital |
 | SBP | Systolic Blood Pressure |
 | SBR | Sequential Batch Reactor |
 | SBR | Styrene Butadiene Rubber |