SAE (Society of Automotive Engineers)
SAE Axle and Manual Transmission Gear Oil Viscosity Classification
SAE service classification - see API Engine Service Categories
SAE engine oil viscosity classification
salinitysandstone
sandstone
saponification
saponification number
SARA - see Superfund Amendments and Reauthorization Act
saturated hydrocarbon
saturated steam
Saybolt chromometer - see color scale
Saybolt Furol Viscosity
Saybolt Seconds - see Saybolt Universal Viscosity
Saybolt Universal Viscocity
SBR - see styrene-butadiene rubber
SC asphalt - see cutback asphalt
scale wax
scavenger Schrödinger equation
Schrödinger equation
scoring
screen printing - see printing processes
scrubber oil - see absorber oil
scuffing
scuff resistance
sealing strength
seal oil - see mineral seal oil
seal swell (rubber swell)
secondary recovery
Series 3
sett grease
shale oil - see oil shale
shear rate
shear stress
SI (Systeme International, International System of Units)
sidestream
sight fluid
silicate esters
silicone
single-grade oil
slack wax
sleeve bearing
sliding bearing - see bearing
sludge
slumping
slushing oil
smoke point (of aviation turbo fuel)
soap thickener - see grease
Society of Automotive Engineers (SAE ) - see SAE
Society of Tribologists and Lubrication Engineers - see STLE
sodium soap grease - see grease
SOD lead corrosion
softening point (asphalt)
solids content
soluble oil
solvent
solvent-cutback
solvent extraction
solvent neutral
solvent oil - see fluidizer sonic lubrication
sonic lubrication
sour crude
sparging
spark-ignition engine - see internal combustion engine
specialty product
specific gravity
specific heat
spectrographic analysis (elemental analysis)
spectroscopy
speed factor - see dN factor
spin finish - see fiber lubricant
spindle test
spiral bevel gear - see gear
splash lubrication
spray oil - see orchard spray oil
spur gear - see gear
squeeze lubrication
SS aphalt - see emulsified anionic asphalt
SSF (Saybolt Furol seconds) - see Saybolt Furol viscocity
SSU, SUS (Saybolt Universal seconds) - see Saybolt Universal viscosity
static electricity
stationary source emissions - see emissions (stationary source)
statistical process control (SPC)
statistical quality control (SQC)
steam cylinder oil - see cylinder oil
steam turbine - see turbine
stereo rubber
stick-slip motion
STLE (Society of Tribologists and Lubrication Engineers)
Stoddard solvent
stochiometric
stoke - see viscosity
straight-chain paraffin - see normal paraffin
straight mineral oil
straight-tooth gear - see gear
strike through stoke Stokes' Law Stokes' Radius Stokes' Theorem
stoke
Stokes' Law
Stokes' Radius
Stokes' Theorem
strong acid number - see neutralization number
strong base number - see neutralization number
structural stabililty
styrene
styrene-butadiene rubber (SBR)
sulfated ash - ash content
sulfonate
sulfur
sulfur oxide
supercharger
Superfund - see Comprehensive Environmental Response, Compensation and Liability Act
Superfund Amendments and Reauthorization Act (SARA)
supertanker
surface-active agent
surface ignition - see afterrunning
surfactant
SUS
susceptibility
sweep (of a piston)
sweet crude
syneresis
synthetic gas - see synthetic oil and gas
synthetic oil and gas
synthetic rubber
synthetic turbo oil
Systeme International - see SI
systemic effect
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Analytical Almanac
