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Anfangsbuchstabe S
s
S
S
s orbital
S wave
s-
s-block elements
Sabatier-Senderens process
saccharin
sacculus
sacrificial protection
saddle point
sal ammoniac
salbutamol (Ventolin)
salicylic acid (2-hydroxybenzoic acid)
saline
saliva
salivary gland
Salmonella
salt
salt bridge
salt cake
salting out
saltpetre (nitre)
samarium
sample
sampling
sand
Sandmeyer reaction
sandstone
sandwich compound
Sanger's reagent
saponification
sapphire
saprotroph (saprophyte)
sarcoma
sarin
satellite
satellite DNA
saturated
saturated compound
saturated solution
saturated vapour pressure (SVP)
saturation
Saturn
SAW
sawtooth
Sb
SBR
Sc
scalar
scalar field
scalar product (dot product)
scalar triple product
scaler
scaling
scan
scandium
scanning electron microscope (SEM)
scanning tunnelling microscope (STM)
scatter diagram
scattering
scattering cross-section
SCF theory
Scheele's green
Schiff's reagent
Schlieren photography
Schottky defect
Schottky diode
Schottky noise (shot noise)
Schrödinger equation
Schwann cell
Schwarzschild radius
science
scintillation counter
sclera
scleroprotein
SCP
SCR
screening
Se
sea water
seaborgium
search engine
sebaceous gland
sec
sec-
secant
sech
second
second derivative
second law of thermodynamics
second quantization
secondary
secondary cell
secondary coil
secondary colour
secondary electron
secondary structure
secondary wave (S wave)
secretin
section
sector
secular equation
secular variation
sedimentary rock
Seebeck effect
seed
seed plants
seeding
segment
segregation
seismic wave
seismology
selection pressure
selection rule
selectively permeable membrane (semi-permeable membrane, SPM)
selenium
self-consistent field (SCF) theory
self-exciting generator
self-inductance
selfish gene (selfish DNA)
SEM
semen
semi-permeable membrane
semicarbazide
semiclassical model
semiconductor
semiconductor diode
semiconductor junction
semimetal
sense organ
sensitivity
sensory neurone
sepal
separating funnel
separation energy
sequence
sequestration
Ser
series
serine (Ser)
serology
serotonin
Sertoli cell
serum
serum albumin
sesquicarbonate
sesquioxide
set
sex chromosome
sex hormones
sex-linkage
sexual reproduction
sexual selection
Seyfert galaxy
Sg
shadow
SHE
shear
shear modulus (rigidity modulus)
shear strain
shear stress
shear wave
shell
shell model
SHF
shielding constant
shift reaction
shift reagent
SHM
shock wave
shoot
short circuit
short sight
short-day plant
shoulder girdle
shower
shunt
shuttle vector
Si
sickle cell anaemia
side chain
sidereal
sidereal day
sidereal month
sidereal period
sidereal year
siemens
sievert
sigma bond (σ bond)
sigma particle
signal
signal-to-noise ratio
significance level
significant figures
silanes
silica (silicon dioxide)
silica gel
silicate
silicon
silicon carbide (carborundum)
silicon chip
silicon-controlled rectifier (SCR)
silicone (siloxane)
Silurian
silver
silver halide
silver nitrate
simian virus 40
similar
Simmons-Smith reagent
simple harmonic motion (SHM)
simple pendulum
simplex
simplex method
Simpson's rule
simulation
simultaneous equations
sin
sine
sine curve (sine wave, sinusoid)
sine rule
single bond
single-cell protein (SCP)
singlet state
singularity
sinh
sinter
sinus
sinusoidal
siphon
skeleton
skin
skin effect
skin friction
skip distance
skull
sky wave
Sl units
slag
slaked lime
sleep movements
slip
slip plane
slip ring
slow virus
slurry
Sm
small intestine
smallpox
smectic liquid crystal
smog
smoke
Sn
Snell's law
snRNP (pronounced ‘snurp’)
snurp
soap
soda-ash
soda-lime
sodamide (sodium amide)
sodium
sodium bismuthate
sodium borohydride
sodium carbonate
sodium chloride (common salt, rock-salt)
sodium cyclamate
sodium hydroxide (caustic soda)
sodium pump
sodium spectrum
sodium sulphite
sodium tetrahydridoborate (sodium borohydride)
sodium thiosulphate
soft acids and bases
soft radiation
soft water
software
soil
sol
solar cell
solar constant
solar cycle
solar day
solar energy
solar flare
solar power
Solar System
solar units
solar wind
solder
solenoid
solid
solid angle
solid of revolution
solid state physics
solidus
solstice
solubility
solubility product
soluble
soluble RNA (sRNA)
solute
solution
solvation
Solvay process (ammonia-soda process)
solvent
solvent extraction
somatic cell
somatotrophin
sonar
sonic boom
sorption pump
sound
sound pressure level
source
source code
Southern blotting
Soxhlet extractor
space
space group
space inversion
space probe
space-charge
space-like
spacecraft
spacetime
spallation
spark
spark photography
Spearman's rank correlation coefficient
special (theory of) relativity
special function
special unitary group
speciation
species
specific
specific gravity
specific heat capacity (specific heat)
specific latent heat
specific resistance
speckle interferometer
spectator ion
spectra
spectral
spectral line
spectral series
spectral type (spectral class)
spectrochemical series
spectroheliogram
spectrometer (spectroscope)
spectrophotometer
spectroscope
spectroscopic binary
spectroscopy
spectrum (plural spectra)
specular reflection
speed
speed of light (in a vacuum)
spermatogenesis
Spermatophyta (seed plants)
spermatozoon (plural spermatozoa)
sphalerite
sphere
spherical aberration
spherical harmonic
spherical polar coordinates
spherical wave
spheroid
sphincter
spin
spin angular momentum quantum number
spin glass
spin quantization
spin-orbit coupling
spinal column
spinal cord
spindle
spine
spinel
spinneret
spiracle
spiral
spiral galaxy
spleen
splicing
SPM
sponge
spontaneous emission
spontaneous fission
spontaneous reaction
spore
sporophyte
spreadsheet
spring balance
spring constant
SPS
sputtering
square
square matrix
square root
square wave
square-planar complex
SQUID
Sr
stability
stability constant
stable
staining
stainless steel
stamen
standard atmosphere
standard deviation
standard electrode potential
standard enthalpy change (standard reaction enthalpy)
standard enthalpy change of combustion (standard combustion enthalpy)
standard form (scientific notation, exponential notation)
standard Gibbs energy change (standard reaction Gibbs energy)
standard Gibbs energy change of formation (standard formation Gibbs energy
standard hydrogen electrode (SHE, standard hydrogen half-cell)
standard model
standard reduction potential
standard solution
standard state (of a substance)
standard temperature and pressure (STP)
standing wave (stationary wave)
stannane
stapes
staphylococcus
star
starch
Stark effect
start codon
state
state function
state symbols
states of matter
static
static electricity
static friction
static pressure
statics
stationary orbit
stationary phase
stationary point
stationary state
stationary wave
stationary-state approximation
statistic
statistical inference
statistical mechanics
statistics
stator
steady state
steady-state approximation (stationary-state approximation)
steady-state theory
steam
steam distillation
steam engine
steam point
stearic acid (octadecanoic acid)
steel
Stefan-Boltzmann constant
stellar
stellar evolution
stem
stem cell
steradian
stereochemistry
stereographic projection (stereogram)
stereoisomerism
stereoregular polymer
stereospecific reaction
steric hindrance
Stern-Gerlach experiment
steroid
stibnite (antimony glance)
sticky ends
stigma
still
stimulated emission
stimulus (plural stimuli)
Stirling's formula (Stirling's approximation)
STM
stochastic process
stoichiometric
stokes
Stokes' law
Stokes' theorem
stoma (plural stomata)
stomach
stop
stop codon
stopping power
STP
straight-chain isomer
strain
strain gauge
strain hardening
strange attractor
strange quark
strangeness
stratopause
stratosphere
streamline
streptococcus
stress
stress-energy tensor
string theory
stroboscope (strobe)
stroma
strong acid
strong base (strong alkali)
strong electrolyte
strong interaction
strontium
structural formula
structural isomer
structure factor
strychnine
style
styptic
styrene
styrene-butadiene rubber
SU(3)
subatomic particle
subcutaneous
sublimate
sublimation
submillimetre
subroutine (procedure)
subset
subshell
subsonic
substituent
substitution reaction
substrate
substratum
subtend
subtraction
succinic acid
succinic anhydride
succus entericus
sucrase
sucrose (cane sugar, beet sugar, household ‘sugar’)
sufficient condition
sugar
sulfur
sulpha drugs (sulphonamide drugs)
sulphamic acid
sulphane
sulphanilamide
sulphanilic acid (
sulphate
sulphide
sulphite ion (sulphate(IV) ion)
sulphonamide drugs
sulphonation
sulphoxide
sulphur (US sulfur)
sulphur dichloride dioxide (sulphuryl chloride)
sulphur dichloride oxide (thionyl chloride)
sulphur dioxide
sulphur oxoacid
sulphur trioxide
sulphuric acid (sulphuric(VI) acid)
sulphurous acid (sulphuric(IV) acid)
sulphuryl chloride
summation check
summation notation
Sun
sunspot
super high frequency (SHF)
superacid
supercomputer
superconducting quantum interference device
superconductivity
supercooling
superfluid
supergiant
supergravity
superheated
superheterodyne (superhet) receiver
superior
supernatant liquid
supernova (plural supernovae)
superoxide
superphosphate of lime
superposition
supersaturated solution
supersonic
supersymmetry
supplementary angles
supplementary unit
surd
surface
surface acoustic wave (SAW)
surface integral
surface of revolution
surface tension
surgical spirit
susceptance
susceptibility
suspension
SV40 (simian virus 40)
SVP
sweat gland
sweetener
sylvine (sylvite)
symbiosis
symbol, chemical
symbolic logic
symmetric function
symmetric matrix
symmetry element
symmetry group
symmetry transformation
sympathetic nervous system
sympatric
symphysis
synapse
synchrocyclotron
synchronous
synchronous orbit
synchrotron
syndiotactic polymer (syntactic polymer)
synodic period
synoptic chart
synovial fluid
synthesis
synthesis gas
Système International
system
systematics
systole
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