I  U  P  A  C






News & Notices

Organizations & People

Standing Committees

Divisions

Projects

Reports

Publications
..CI
..PAC
..Macro. Symp.
..Books
..Solubility Data

Symposia

AMP

Links of Interest

Search the Site

Home Page

 

 

IUPAC Compendium of Chemical Terminology

 

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M]
[N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

> Back to index

lambda-transition
theta temperature (in polymers)
tactic block (in a polymer)
tactic block polymer
tacticity
tactic macromolecule
tactic polymer
Taft equation
tagged
tailing (in chromatography)
tandem mass spectrometer
target (in biology)
tautomeric effect
tautomerism
tautomerization
tele (in histidine nomenclature)
telechelic molecule
telechelic polymer
tele-substitution
tellurides
tellurones
telomer
telomerization
temperature
temperature coefficient of responsivity
temperature effect (in luminescence spectroscopy)
temperature inversion (in atmospheric chemistry)
temperature jump
temperature lapse rate (in atmospheric chemistry)
temperature-programmed chromatography
template (in biotechnology)
temporary poisoning (in catalysis)
tera
term, T
term (in X-ray spectroscopy)
termination
terminator (in biotechnology)
termolecular
term symbols
terpenes
terpenoids
terpolymer
tertiary current distribution
tertiary structure
tesla
test portion
test sample
test solution (in analysis)
tetracyclines
tetrads (in polymers)
tetrahedral intermediate
tetrahedro-
tetrapyrroles
tetraterpenoids
texture (of a catalyst)
theoretical plate number
thermal analysis
thermal black
thermal column (in nuclear chemistry)
thermal conductance, G
thermal conductivity, lambda
thermal conductivity detector (in gas chromatography)
thermal detector
thermal fission
thermal ionization (in mass spectrometry)
thermal lensing
thermally activated delayed fluorescence
thermally-induced transition
thermal neutrons
thermal resistance, R
thermoacoustimetry
thermochemical analysis
thermochemical calorie
thermochromism
thermocouple
thermodilatometry
thermodynamically equivalent sphere (in polymer chemistry)
thermodynamic control (of product composition)
thermodynamic energy
thermodynamic equilibrium constant
thermodynamic isotope effect
thermodynamic quality of solvent (in polymer chemistry)
thermodynamic stability
thermodynamic temperature, T
thermoelectrometry
thermogram
thermogravimetry (TG)
thermoluminescence
thermolysis
thermomagnetometry
thermomechanical measurement
thermometric
thermometric enthalpy titration
thermometric titration
thermoparticulate analysis
thermophile
thermophotometry
thermopile
thermoplastic elastomer
thermoptometry
thermosetting polymer
thermosonimetry
thermosphere
thermotropic mesophase
thiazynes
thick film
thickness of diffusion layer (in electrochemistry)
thickness of electrical double layer
thickness of reaction layer (in electrochemistry)
thin film
thin-layer chromatography
thio
thioacetals
thioaldehydes
thioaldehyde S-oxides
thioanhydrides
thiocarboxylic acids
thiocyanates
thioethers
thiohemiacetals
thioketones
thioketone S-oxides
thiolates
thiols
thionylamines
third body
thixotropy
thiyl radicals
three-center, two-electron (3c - 2e) bond
three-dimensional quantitative structure-activity relationships (3D-QSAR)
threo
threo structures (in a polymer)
threshold energy
threshold limit value (TLV)
through-bond electron transfer
through-bond interaction
throughput rate
through-space electron transfer
through-space interaction
throwing power
TICT emission
TICT state
tie molecule (in polymers)
tight binding method
tight ion pair
time, t
time constant (of a detector),
time-correlated single photon counting
time-dependent stoichiometry
time-independent stoichiometry
time of centrifugation, t
time of deactivation (in heterogeneous catalysis)
time-of-flight mass spectrometer
time of solidification (or time of thixotropic recovery)
time-resolved microwave conductivity (TRMC)
time-resolved spectroscopy
titrant
titration
titration curve
titration error
titre (titer)
T-jump
tNRA
tonne
topical effect
topochemical principle
topochemical reaction
topological electron distribution theory
topological index
topomerization
topomers
topotactic reaction
topotactic transition
torque, T
torquoselectivity
torr
torsional braid analysis
torsional stereoisomers
torsional strain
torsion angle
total absorption peak
total chemiflux
total consumption time (in flame emission and absorption spectrometry), ttot
total energy of a molecular system
total ion current (in mass spectrometry)
totally porous packing (in chromatography)
total radiant power
total retention volume (time) (in column chromatography), VR, tR
total velocity of the analyte (in capillary electrophoresis)
toxicity
toxicodynamics
toxicokinetics
toxicology
toxin
toxinology
traceability
trace element
tracer
track (nuclear)
track detector (nuclear)
trajectory (in reaction dynamics)
trans
trans- (in inorganic nomenclature)
transannular strain
trans conformation (in polymers)
transcription (in biotechnology)
transducer
transduction (in biotechnology)
transfer
transfer (in analysis)
transferability
transfer activity coefficient,
transferases
transfer line
transfer RNA (tRNA)
transformation
transformation (in gene technology)
trans-fused
transient phase (induction period)
transient (chemical) species
transient spectroscopy
transition
transition coordinate
transition element
transition interval (in titrimetric analysis)
transition layer
transition (dipole) moment
transition polarization
transition probability for absorption (in spectrochemistry)
transition probability for spontaneous emission (in spectrochemistry)
transition probability for stimulated emission (in spectrochemistry)
transition species
transition state
transition state analogue
transition state spectroscopy (TSS)
transition state theory
transition structure
transition temperature (for liquid crystals)
transition time (in electroanalytical chemistry)
transition vector
transition wavenumber
transit time (in flame emission and absorption spectrometry), tts
translation (in biotechnology)
translational spectroscopy
transmission
transmission (in mass spectrometry)
transmission coefficient
transmission electron energy loss spectroscopy (TEELS)
transmission electron microscopy (TEM)
transmission factor
transmission high energy electron diffraction (THEED)
transmittance, T, tau
transoid conformation
transport (in analysis)
transport control
transport interference (in flame spectroscopy)
transport number, t
transposon
transtactic polymer
trapping
travel time (in flame emission and absorption spectrometry), ttv
treated solution (in analytical chemistry)
triads
triangulo-
triazanes
triazenes
triboluminesence
trimethylenemethanes
trioxides
triple point
triplet state
triplet-triplet absorption
triplet-triplet annihilation
triplet-triplet energy transfer
triplet-triplet transitions
triprismo-
tritactic polymer
triterpenoids
tritide
tritio
tritium
triton
trivial energy transfer
trivial name
Troe expression
tropilidenes
tropolones
tropones
tropopause
troposphere
tropylium ions
tropyl radicals
true coincidence (in radiochemistry)
`true' rate constant
true value (in analysis),
tub conformation
tunable laser (in spectrochemical analysis)
Tung distribution (of a macromolecular assembly)
tunnelling
turbidimetric titration
turbidity (in light scattering),
turnover frequency (in catalysis)
turnstile rotation
turntable reactor
twisted internal charge transfer (TICT)
twist form
two-colour indicator
two-dimensional chromatography
two-photon excitation
two-photon process
two-site immunoradiometric assay


Page last modified 18 May 2007.
Copyright ©1997-2007 International Union of Pure and Applied Chemistry.
Questions or comments about IUPAC, please contact, the Secretariat.
Questions regarding the website, please contact web manager.