Index: S

s-p-d-f notation
sample
saturated bond
saturated vapour
saturated vapour pressure
scalar
scalar components (of a vector)
scalar field
scalar product
scalar quantity
scalar triple product
scalene triangle
scaling (of a geometric figure)
scaling (of a vector)
scanning tunnelling microscope, STM
scattering experiments
Schrödinger equation
Schrödinger model
scientific notation
search coil
secant, sec
sech
second, s
second derivative
second derivative test
second focal point
second focus
second law of thermodynamics
second of arc, "
second-order differential equation
secondary coil
secondary wavelets
sector
segment
self inductance
self-induction
semicircle
semiconductor
semi-major axis (of an ellipse)
semi-minor axis (of an ellipse)
sense
sense of rotation
separable
separable differential equation
separation constant
separation of variables
sequence
series (connection)
series (mathematical)
series (spectroscopic)
series expansion
series LCR circuit
series limit
set
set of complex numbers
shear modulus
shear strain
shear stress
shell
SHM equation
short circuit
short sight
shunt resistor
shutter speed
SI units
siemens, S
sievert, Sv
sign convention
significant figures
silicon p-n junction photodiode
similar
similar triangles
simple harmonic motion (SHM)
simple harmonic oscillations
simple harmonic oscillator
simple pendulum
simplify
simultaneous
simultaneous linear equations
sine, sin
sine rule
single-valued function
singular solution
singularity
sinh
sintered
sinusoidal
sinusoidal wave
sketching graphs
skew
skewed
sliding friction
slope
smooth function
Snell's law
solar cell
solenoid
solid of revolution
solid phase
solitary wave
soluble
solution (chemical)
solution (mathematical)
solving the equations
sound
sound energy
sound wave
south magnetic pole
space
spatial
spatial coherence
spatial part of the wavefunction
spatial wavefunction
specific activity
specific heat
specific latent heat
spectral brightness
spectral emittance
spectral lamp
spectral lines
spectrometer
spectroscopic series
spectroscopy
spectrum
speed
speed (of a film)
speed of light
speed of propagation
sphere
spherical
spherical aberration
spherical lens
spherical mirror
spherical mirror equation
spherical polar coordinates
spherical symmetry
spherical wave
spherical wavefront
spin (angular momentum)
spin angular momentum quantum number
spin magnetic quantum number
spiral
splitting the numerator
spontaneous fission
spring constant
square
square (of a number)
square roots
SQUID
stability line
stable
stable equilibrium
standards
standard atmosphere, atm
standard deviation
standard equations
standard error of the mean
standard form
standard integrals
standard temperature and pressure, s.t.p.
standing wave
standing wave mode
state
static equilibrium
static friction
statics
stationary
stationary (function)
stationary orbit
stationary point
stationary state
stationary wave
statistical mechanics
statistics
steady state (motion)
Stefan's constant
Stefan's law
step-down transformer
step-up transformer
stepped-index fibre
Stern-Gerlach experiment
stimulated emission
Stokes' law
stops
storage cell
straight line
straight line segment
strain
strain energy
strain potential energy
stress
strong interaction
strong interaction between nucleons
strong nuclear force
subatomic particle
subcritical
subject (of an equation or formula)
sublimation
sublimation curve
subscript
subset
subshell
subsidiary maxima
subsonic
substitution
subtended angle
successive ionization energies
sum
sum (of vectors)
sum formulae
sum identities
sum of a series
sum rule for differentiation
sum rule for integration
summation over addition rule
summation symbol
summation variable
superconductivity
superconductor
supercritical
superelastic collision
superposition
superposition principle
superscript
supersonic
supplementary angles
surface
surface energy
surface gravity
surface integral
surface of revolution
surface tension
suspensory ligaments
symmetric function
symmetry
symmetry argument
symmetry relations
system
systematic error