S

S   s   S  

Sa

Sabin   Sabine Formula   Sabine, Wallace Clement   Saccade   Sacrificial Anode  
SAE Steel   Safety Data Sheet   Safety Pin   Safety Valve   Sag  
Sagging   Sagnac Effect   Sail Wing   Sailplane   Sal Ammoniac  
Salifiable   Salk, Jonas   Salmanazar   Salt   Salt Bridge  
Salt of Tartar   Salt of Wormwood   Salt Spray Test   Saltpetre   Salts  
Saltspoon   Samarium   Same Side Exterior Angles   Same Side Interior Angles   Sample  
Sample and Hold   Sample Rate Conversion   Sample Size   Sample Space   Sample Survey  
Sampling   Sampling Frequency   Sampling Theorem   Sand   Sand Casting  
Sand Scratches   Sandblasting   Sanding   Sanding Block   Sandpaper  
Sandwich Construction   Sankey Diagram   Sapid   Saponaceous   Saponification  
Sapwood   Satellite   Satellite DNA   Satellite Eclipse   Satellite Sun Conjunction  
Saturable Core Reactor   Saturated Fat   Saturated Fatty Acid   Saturated Liquid   Saturated Solution  
Saturated Vapour   Saturation   Saturation Pressure   Saturation Temperature   Saturation Velocity  
Saturn   Savery, Thomas   Saw   Saybolt Universal Seconds   Saybolt Universal Viscosity  

Sb

Sb   Sb2O3   Sb2O4   Sb2O5   Sb2Se3  
S-Band   SbBr3   SbCl3   SbCl5   SbF3  
SbF5   SbH3   SbI3   SbO2  

Sc

Sc   Scalar   Scalar Product   Scale Effect   Scalene Triangle  
Scaling   Scandium   Scanning Electron Microscope   Scarf Joint   SCART Connector  
Scatter Plot   Scattering   Schlieren   Schmitt Trigger   Schneider Index  
Schnuerle Ports   Schottky Diode   Schrodinger Equation   Schrödinger, Erwin   Schuler Pendulum  
Schuler Tuning   Schwarzschild Black Hole   Scientific Method   Scientific Notation   Scientists  
Scintillation Counter   Score   Scoring   SCR   Scramjet  
Scraper   Screw   Screw Pump   Screw Thread   Screwdriver  
Scribe   Scrubber   Scrubbing Liquid   Scruple   SCSI  
Scuffing   Scuffing Particles   Scum Valve   SD Flash Memory card   SDOF  
SDRAM   SDS  

Se

Se   SEA   Sea Clutter   SEA Coupling Loss Factors   Sea Water  
Seaborg, Glenn   Seal   Seal Assembly   Seal Chamber   Seal Face  
Sealed Battery   Seal-in Relay   Sealing Wax   search   Sec  
Secant   Secant Line   Secant Modulus of Elasticity   Second   Second Class Lever  
Second Derivative   Second Ionization Energy   Second Law of Thermodynamics   Second Order Reaction   Second Postulate of Special Relativity  
Secondary Alignment   Secondary Cell   Secondary Coil   Secondary Electron   Secondary Electron Imaging  
Secondary Emission   Secondary Energy Source   Secondary Metabolism   Secondary Radiation   Secondary Ride  
Sector   Sedimentation   Seebeck Effect   Seiche   Seismic  
Seismograph   Seizure   SEL   Selected Area Electron Diffraction   Selectivity  
Selenium   Selenoid   Selenology   Self Bias   Self Discharge  
Self Excited Generators   Self Excited Meter   Self Extinguishing   Self Induction   Self Noise  
Self Similarity   Self Tapping Screw   Self-Aligning Bearing   SEM   Semi Diesel Engine  
Semi-Anechoic Chamber   Semicircular Canals   Semiconductor   Semiconductor Detector   Semiconductors  
Semiconductors Books   Semiconductors Calculations   Semiconductors Conversions   Semiconductors Source Code   Semiconductors Weblinks  
Semicrystalline   Semi-Magic Square   Semi-Metal   Semi-Permeable Membrane   Semitone  
Sensation Level   Sensible Energy   Sensitivity   Sensitivity Time Control   Sensor  
Sensor-Neural Hearing Loss   Sensory Pleasantness   Separable Equations   Septagon   Septet  
Septillion   Septum   Sequence   Sequential Access Memory   Serial Communications  
Serial InfraRed   Series   Series Circuit   Series Diode Detector   Series Expansions  
Series Fed Oscillator   Series Limiter   Series Parallel Circuit   Series Peaking   Series Resonant Circuit  
Series Voltage Regulator   Series Wound Motor and Generator   Service Ceiling   Service Drag   Service Life  
Servo Amplifier   Servo Motor   Servo System   Sesquioxide   Set  
Set Point   Set Screw   Settling Time   Sexadecimal   Sexagesimal  
Sextet   Sextillion   Sextuple   Seyfert Galaxy   SF6  
SF6 Circuit Breaker  

Sf

Sferics   Sferics Fix   Sferics Observation   Sferics Receiver  

sg

sg  

sh

sh cwt   Shadow   Shadowgraph   Shaft   Shaft Horse Power  
Shaft Seal   Shake   Shake Table Test   Shaker   Shank  
Shannon, Claude   Shaping Circuit   Shapiro-Wilks Test   Sharp Cutoff Tube   Sharpening Stone  
Sharpness   Shear   Shear Mode   Shear Modulus   Shear Strain  
Shear Strength   Shear Stress   Shear Walls   Shear Wave   Shed  
Sheet Steel   Shelf Life   Shell   Shell Radiated Noise   Shellac  
Shells   SHF   Shield Volcano   Shielded Pair   Shielding  
Shim   Shim Machine   Shingle   Shipping   SHM  
Shock Absorber   Shock Tunnel   Shock Wave   Shooting Star   Shore Durometer  
Shore Hardness   Short Circuited Line   Short haul Modems   Short Hundredweight   Short Ream  
Short Ton   Short-Circuit   Shortword   Shot Blasting   Shot Peening  
Shoulder Plane   Shovel   shp   Shrinking Hammer   Shudder  
Shunt   Shunt Diode Detector   Shunt Fed Oscillator   Shunt Peaking   Shunt Resistor  
Shunt Voltage Regulator   Shunt Wound Motor and Generator   Shunt   Shutter  

Si

Si   SI Engine   SI Units   Sibilance   SiC  
Side Branch Orifice   Side Cutter   Side Cutters   Sidelobe   Sidereal Year  
Sidevalve Engine   Siegbahn, Karl   Siegbahn Unit   Siemens   Siemens and Halske Thread  
Sieve of Eratosthenes   Sievert   Sigma   Sigma Bonds   Sign  
Signal Generator   Signal Ground   Signal Processing   Signal Processing Books   Signal Processing Calculations  
Signal Processing Weblinks   Signal to Noise Ratio   Signals   Signed Binary Coding   Significant Digits  
Significant Threshold Shift   Signs and Symbols   SiH4   Silane   Silencer  
Silent Mutation   Silica   Silica Fabric   Silica Gel   Silicane  
Silicon   Silicon Carbide   Silicon Controlled Rectifier   Silicon Dioxide   Silicon Hydride  
Silicon Iron   Silicon Nitride   Silicon Tetrahydride   Silk   Silt  
Silurian   Silver   Silver Bromide   Silver Iodide   Silver Nitrate  
Silver Oxide Battery   Silver Sand   Silver Sulphide   Silver Zinc Battery   Similar Figures  
Similar Matrices   Similarity   Simple Cubic   Simple Cycle Gas Turbine   Simple Diffusion  
Simple Fraction   Simple Harmonic Motion   Simple Harmonic Quantity   Simple Mail Transfer Protocol   Simple Network Management Protocol  
Simple Pendulum   Simple Protein   Simple-Range Counting   Simply Supported   Simultaneity Principle  
Sin   Sinc Function   Sine   Sine Wave   Sine Wave Inverter  
Single Acoustic Barrier   Single Bond   Single Cylinder Engine   Single Degree of Freedom   Single Element Fuse  
Single Ended Input   Single Event Level   Single Event Noise Exposure Level   Single Line Diagram   Single Mode Fibre  
Single Pole Switch   Single Shaft Gas Turbine   Single Stage Compressor   Single-Ended Input   Single-Tube Shock Absorber  
Singular Matrix   Sintering   Sinus   Sinusoidal   SiO2  
Sipes   SIR   Six Degrees of Freedom  

Sk

Skeletal Density   Skeletal Volume   Skeleton Division   Skew   Skew Lines  
Skewed Distribution   Skewness   Skin Effect   Skin Friction   Skin Temperature  
Skip Distance   Skip Zone   Skirt   Sky Cover   Sky Wave  
Sky Waves   Skylight  

Sl

Slant Range   Slap Back   Slate   Slave   Sledge Hammer  
Sleeve Bearing   Sleeve Valve Engine   Slew Rate   Slick Tyre   Slide Bearing  
Slide Hammer   Slide Rule   Sliding Friction   Slinch   Slip  
Slip Angle   Slip Rings   Slip the Clutch   Slipper Pistons   Slope  
Slope of a Linear Function   Slot   Slot Drill   Slow Charge   Sludge  
Slug   Sluggish   Slurry   Slush Hydrogen   Slush Oxygen  

Sm

Sm   Small Circle   Small Computer Serial Interface   Smartmedia Flash Memory Card   Smell  
Smog   Smoke Damper   Smoke Developed   Smokebox   Smooth Plane  
Smoothing   SMTP  

Sn

Sn   SN Curve   S-N Diagram   Snatch   SnCl2  
Snells Law   SnF2   SnF4   SnH4   Snipe Nose Pliers  
SnO   SnO2   SNR   Snug Torque   Snugging  
SO2  

So

Soap   SoC   Sociocusis   Socket Bolt   Socket Wrench  
Socrates   Soda Ash   Sodium   Sodium Carbonate   Sodium Chloride  
Sodium Filled Exhaust Valves   Sodium Glutamate   Sodium Hydride   Sodium Hydroxide   Sodium Hypochlorite  
Sodium I Bromide   Sodium I Fluoride   Sodium I Iodide   Sodium I Oxide   Sodium Nickel Chloride Battery  
Sodium Nitrate   Sodium Oxide   Sodium Peroxide   Sodium Silicate   Sodium Sulphur Battery  
Sodium Superoxide   SOFC   Soffit   Soft Foot   Soft Room  
Soft Solder   Soft X-Rays   Soft-Ground Tunnel   Soil Bulk Electrical Conductivity   Soil Heat Flux  
Soil Volumetric Water Content   Sol   Solar Air Mass   Solar Cell   Solar Cell Efficiency  
Solar Constant   Solar Cycle   Solar Data   Solar Day   Solar Eclipse  
Solar Energy   Solar Flare   Solar Irradiance   Solar Noon   Solar Power System  
Solar Protons   Solar Resource   Solar Spectrum   Solar Storm   Solar System  
Solar Wind   Solder   Solder Balls   Solder Bridging   Solder Mask  
Solder Paste   Soldering   Soldering Iron   Soldier   Solenoid  
Solid   Solid Axle   Solid Brake Disc   Solid Geometry   Solid Height  
Solid of Revolution   Solid Oxide Fuel Cell   Solid Rocket   Solid Solution   Solid State Device  
Solidification   Solidification Range   Solidification Shrinkage Crack   Solidus   Solubility  
Solubility Product   Solubilizing Group   Soluble   Soluble Salt   Solute  
Solution   Solution Heat Treatment   Solvent   Solvent Extraction   Solvus  
Somatic Cells   Sonar   Sone   Sonic   Sonic Boom  
Sonic Delay Line   Sonobuoy   Sonoluminescence   Soot   Sorb  
Sorbate   Sorbent   Sorption   Sound   Sound Absorption  
Sound Absorption Coefficient   Sound Attenuation   Sound Barrier   Sound Definition   Sound Energy  
Sound Energy Density   Sound Energy Flux   Sound Energy Flux Density   Sound Exposure Level   Sound Field  
Sound Focusing   Sound Growth   Sound Insulation   Sound Intensity   Sound Isolation  
Sound Level   Sound Level Meter   Sound Masking   Sound Paths   Sound Power  
Sound Power Level   Sound Pressure   Sound Pressure Level   Sound Propagation   Sound Quality  
Sound Receiver   Sound Source   Sound Transmission Class   Sound Transmission Coefficient   Sound Transmission Loss  
Sound Waves   Soundcard   Sounding   Sounding Rocket   Soundstage  
Sour Water   Source   Source Room   Source Route   Southern Blot  

Sp

Space   Space Charge   Space Diversity   Space Frame   Space Saver Tyre  
Space Wave   Space Weather   Spacer Washer   Spacetime   Spade  
Spall   Span   Spanner   Spare Tyre   Spare Wheel Well  
Spark   Spark Advance   Spark Air Gap   Spark Arrester   Spark Breakaway  
Spark Gap Modulator   Spark Ignition Engine   Spark Plug   Spark Plug Fouling   Spark Plug Whiskering  
Spatial Filtering   Spatial Power Density   Spatial Sampling   SPC   SPDT Switch  
Special Constants   Special Products and Factorials   Special Theory of Relativity   Specific Airflow Resistance   Specific Fan Power  
Specific Fuel Consumption   Specific Gas Constant   Specific Gravity   Specific Heat Capacity   Specific Humidity  
Specific Impulse   Specific Resistance   Specific Volume   Specimen Interaction   Specimen Interaction Volume  
Spectator Ion   Spectra   Spectral Balance   Spectral Centroid   Spectral Leakage  
Spectrogram   Spectrometer   Spectrometry   Spectrophotometer   Spectrophotometry  
Spectroscopy   Spectrum   Spectrum Analyser   Spectrum Analysis   Spectrum Density  
Spectrum Signature   Specular Reflections   Speculum   Speech Coding   Speech Intelligibility  
Speech Interference Level   Speech Privacy   Speech Transmission Index   Speed of Data Transfer   Speed of Light in Vacuo  
Speed of Sound   SPF   Sphalerite   Sphere   Spherical Aberration  
Spherical Coordinates   Spherical Divergence   Spherical Triangles   Spherical Trigonometry   Spherical Wave  
Spheroid   Spheroidizing   Spillway   Spin   Spindle  
Spindle Speed   Spinner   Spinodal Structure   Spin-Orbit Effect   Spintronics  
Spiral Gear   Spiral Wound Lead Acid Battery   Spire   Spirit   Spirit Level  
Spirit of Alum   Spirit of Hartshorn   SPL   Splash Lubrication   Splatter  
Splayed Springs   Splaying   Splice   Split Cycle Engine   Split Pin  
Split Spectrum Solar Cell   Splitter   Splitting Resistance   Spokeshave   Spontaneous Reaction  
Sporadic E Layer   Spread Spectrum Modulation   Spring   Spring Constant   Spring Dividers  
Spring Rate   Spring Top Leaf Thickness   Springback   Springs   Sprocket Tuner  
Spruce   Sprues   Sprung Weight   SPST Switch   Spur Gear  
Spurious Emission   Spurious Response   Sputtering   SQL  

Sq

Square   Square Feet   Square Free   Square Metre   Square Mil  
Square Number   Square Nut   Square Root   Square Root of 2   Square Root of Negative One  
Square Surface   Square Wave   Squeak   Squeeze Clamps   Squelch  
Squirrel Cage Windings   Squish  

Sr

Sr   sr   SRAM  

St

St   Stability   Stabilizer   Stable   Stable Equilibrium  
Stadimeter   Stage Support   Stagger Tuning   Stagnation Enthalpy   Stagnation Pressure  
Stainless Steel   Stainless Steel 303   Stainless Steel 304   Stainless Steel 310   Stainless Steel 316  
Stainless Steel 431   Stalactite   Stalagmite   Stall   Stall Torque  
Standard Acceleration due to Gravity   Standard Atmosphere   Standard Boiling Point   Standard Cell   Standard Cell Voltage  
Standard Deviation   Standard Differential Equations   Standard Electrode Potential   Standard Enthalpy Change   Standard Enthalpy of Formation  
Standard Enthalpy of Reaction   Standard Entropy of Reaction   Standard Error   Standard Integrals   Standard Model  
Standard Molar Entropy   Standard Molar Volume   Standard Normal Distribution   Standard Rate Constant of Electrode Reaction   Standard Solution  
Standard State   Standard Temperature and Pressure   Standard Wire Gauge   Standardized Kurtosis   Standardized Skewness  
Standing Wave   Standing Wave Ratio   Stannane   Stannic Fluoride   Stannic Oxide  
Stannous Fluoride   Stannous Oxide   Stannum   Star   Star Topology  
Starburst Galaxy   Starch   Stat-   Statampere   Statcoulomb  
State   State of Charge   State of Matter   State Property   Statfarad  
Stathenry   Static   Static Condensation (Guyan Reduction)   Static Electricity   Static Equilibrium  
Static Failure   Static Friction   Static Interference   Static Limit   Static Pressure  
Static Random Access Memory   Static Seal   Static Stiffness   Statically Determinate   Statically Indeterminate  
Stationary Phase   Stationary Seal   Stationary Signals   Statistic   Statistical Energy Analysis  
Statistical Model   Statistical Process Control   Statistics   Statistics Books   Statistics Calculations  
Statistics Conversions   Statistics Weblinks   Statmho   Statohm   Stator  
Statute Mile   Statvolt   Statwatt   STC   Steady State  
Steady State Sounds   Steam   Steam Condenser   Steam Drum   Steam Engine  
Steam Engine Indicator Diagram   Steam Point   Steam Quality   Steam Reforming   Steam Turbine  
Steel   Steel EN16T   Steel EN19T   Steel EN1A   Steel EN24T  
Steel EN31   Steel EN351   Steel EN353   Steel EN36   Steel EN42  
Steel EN44   Steel EN45   Steel EN47   Steel EN8   Steel EN9  
Steering   Steering Angle   Steering Offset   Steering Ratio   Steering Shimmy  
Stefan-Boltzmann Constant   Stellar   Stellar Wind   Step Bearing   Step by Step Counter  
Step Down Transformer   Step Engine   Step Response   Step Stressing   Step Up Transformer  
Stephenson, George   Stephenson, Robert   Stepper Motors   Steradian   Stere  
Stereo   Stereo Irrelevance   Stereochemistry   Stereoisomerism   Stereoscopic  
Sterols   Sthene   STI   Stibine   Stibium  
Stibnite   Stickoff Voltage   Stiction   Stiffened Suspension Bridge   Stiffness  
Stilling Well   Stimulated Emission   Stirling Engine   Stochastic Process   Stoichiometric Combustion  
Stoichiometry   Stokes   Stone   Stone Masons Level   Stopping Distance  
Stopping Point   Storage   Storage Life   Storage Ring   Stored Mechanical Energy  
Storm Glasses   Story   STP   Straight Angle   Straight Engine  
Straight Line   Straight Oil   Straight-Cut Gear   Straightedge   Straight-Line Speed  
Straight-Through Silencer   Strain   Strain Energy   Strain Gauge   Strain Gauge Pressure Transducer  
Strain Hardening   Strain Hardening Exponent   Strain Point   Strain Rate   Strainer  
Strain-Life Analysis   Stranded Conductor   Strange   Strange Particle   Strange Quark  
Strap Hinge   Stratified Fluid   Stratiform   Stratocumulus   Stratosphere  
Stratovolcano   Stratum Clock   Stratus   Stratus Fractus   Stray Current Corrosion  
Streamlined   Strength   Strength Reduction Ratio   Stress   Stress Amplitude  
Stress Concentration   Stress Concentration Factor   Stress Corrosion   Stress Corrosion Cracking   Stress Intensity Factor  
Stress Raisers   Stress Ratio   Stress Relaxation   Stress Relieving   Stress Resultant  
Stress Rupture Strength   Stressed Member   Stress-Life Analysis   Stress-Rupture Test   Stress-Strain Diagram  
Stress-Strain Ratio   Stretcher Bond   Stribeck Curve   String Line   String Theory  
Stringer   Stringer Inclusion   Stripping   Stripping Analysis   Stroboscope  
Stroke   Stroma   Strombolian Eruption   Strong Acid   Strong Anthropic Principle  
Strong Base   Strong Electrolyte   Strong Force   Strong Interaction   Strong Ligand  
Strontium   Strouhal Number   Structural Acoustic Coupling   Structural Adhesive   Structural Bond  
Structural Engineer   Structural Formula   Structural Isomerism   Structural Model   Structural Modification  
Structure-Borne Sound   Structured Audio   Structured Query Language   Strut   Stud  
Stud Finder   Student′s t Distribution   Stuffing Box   Styrene   Styrene Acrylonitrile  
Styrene Butadiene  

Su

Subassembly   Subatomic   Subatomic Erosion   Subatomic Particle   Subcarrier  
Subcritical   Subfloor   Subgroup   Subharmonic   Subjects  
Sublimate   Sublimation   Submersible Pump   Submillimeter Wave   Subnet Mask  
Subroutine   Subset   Subshell   Subsonic   Subspace  
Substance   Substitution Reaction   Substrate   Subsynchronous   Sub-Synchronous  
Subtraction   Subtrahend   Subwoofer   Successive Approximation Register   Suckdown Wind Tunnel  
Suction Filter   Suction Stroke   Suction Valve   Sugars   SULEV  
Sulphate   Sulphite   Sulphur   Sulphur Dioxide   Sulphur Hexafluoride  
Sulphur Monoxide   Sulphur Trioxide   Sulphuric Acid   Sulphurous Acid   Sum  
Summary Statistics   Summation Layer Amount   Summing Network   Sump   Sun  
Sun Protection Factor   Sundial   Sunspot   Super Beryllia   Super Cooling  
Super Glue   Super Heated Steam   Super Heating   Super High Frequency   Super Ultra-Low Emission Vehicle  
Supercharger   Supercluster   Supercomputer   Superconducting Magnets   Superconductivity  
Supercooled   Supercritical   Supercritical Fluid   Superficial Rockwell Hardness Test   Superfluidity  
Supergiant   Superheated Vapour   Superheterodyne Receiver   Superior Vena Cava   Supernova  
Superoxide   Superposition   Supersaturated Solution   Superscript   Supersonic  
Supervised Learning   Supplementary Angles   Supply Voltage   Support   Supporting Electrolyte  
Suppression   Surd   Surface Area   Surface Combustion   Surface Contour  
Surface Filter Media   Surface Filtration   Surface Finishing   Surface Force   Surface Gap Spark Plug  
Surface Gauge   Surface Insulation Resistance   Surface Mount Hinge   Surface Mount Technology   Surface Plasmon  
Surface Roughness   Surface Roughness Measurement   Surface Tension   Surface Water   Surface-Ignition Engine  
Surfactant   Surge   Surge Protector   Surroundings   Surveying  
Surveyor′s Wheel   SUS   Suspended Deck   Suspension   Suspension Bridge  
Suspension Bush   Sustainer Engine   SUV  

Sv

Sv   Svedberg  

Sw

Swamp Cooler   Swamping Electrolyte   Swamping Resistor   Swarf   Swart′s Reagent  
Swept Wing   SWG   Swing Bridge   Swing By   Swing Check Valve  
Swing Clear Hinge   Swing Wing   Swinging Choke   Swirl Combustion   Switch  
Switchgear   Switching Time   Swivel Base Vice   SWR  

Sy

Sylvic Acid   Sylvine   Symbol Error Rate   Symbolic Logic   Symmedian  
Symmetric Matrix   Symmetrical Multivibrator   Symmetrical Thread   Symmetry   Symptom Elaboration  
Symptom Recognition   Synaesthesia   Synchro   Synchro Capacitor   Synchromesh Gearbox  
Synchronous   Synchronous Averaging   Synchronous Belt Drive   Synchronous Dynamic Random Access Memory   Synchronous Inverter  
Synchronous Motor   Synchronous Optical Network   Synchronous Orbit   Synchronous Rotation   Synchronous Speed  
Synchronous Tuning   Synchroscope   Synchrotron   Synchrotron Radiation   Syneresis  
Syngas   Syntax   Synthesis   Synthetic   Synthetic Oil  
Synthetic Rubber   System   System Efficiency   Systematic Error   Systematic Errors  
Systems Engineering   Systems Engineering Books   Systems Engineering Calculations   Systems Engineering Weblinks