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

D (delta), L (lambda)
D, L, DL
d, l , dl
dalton
dark current
dark output
dark photochemistry (photochemistry without light)
dark reaction (darkness reaction)
dark resistance
Darlington phototransistor
data reduction
dative bond (1994, 66, 1104)
dative bond (1999, 71, 1933)
daughter ion (in mass spectrometry)
daughter product (in radiochemistry)
Davydov splitting (factor-group splitting)
day
deactivation
dead time (in radioanalytical chemistry)
dead time (of an analyser)
dead time correction (in radioanalytical chemistry)
dead-volume (in chromatography)
debye
Debye-Huckel equation
deca
decadic absorbance
decay curve
decay rate (in atmospheric chemistry)
decay rate
deci
decibel
decomposition
decontamination factor (in liquid-liquid distribution)
DEDMR
de-electronation
de-energization efficiency
definitive method
degeneracy
degenerate chain branching
degenerate chemical reaction
degenerate orbitals
degenerate rearrangement
degree Celsius
degree Fahrenheit
degree of activation
degree of association (of a micelle)
degree of compatibility
degree of crystallinity (of a polymer)
degree of dissociation
degree of inhibition
degree of ionization
degree of polymerization
degree of reaction, alpha
degrees of cistacticity and transtacticity
degrees of freedom, nu
degrees of triad isotacticity, syndiotacticity, and heterotacticity
dehydroarenes
dehydrobenzenes
delamination
delayed coincidence
delayed coke
delayed coking process
delayed fluorescence
delayed luminescence
delayed neutrons
deliquescence
delocalization (1994, 66, 1104)
delocalization (1999, 71, 1933)
delocalization energy (DE)
demister
denaturation (of a macromolecule)
denaturation (of alcohol)
dendrite
denitrification
density, rho
density inversion (in solvent extraction)
density of states
denticity
denuder system (tube or assembly)
deodorizer (in atmospheric chemistry)
deoxyribonucleic acids (DNA)
depolarization of scattered light
depolarizer
depolymerization
deposition (in atmospheric chemistry)
deposition velocity (in atmospheric chemistry)
depsides
depsipeptides
depth of penetration (of light)
depth profile
depth resolution
deracemization
derivative potentiometric titration
derivative spectroscopy
derived coherent unit
derived kind of quantity
derived non-coherent unit
derived quantity
derived unit (of measurement)
descending elution/development (in planar chromatography)
deshielding
desiccant
desolvation (in flame spectroscopy)
desorption
desorption (by displacement)
desulfurization
desymmetrization
desymmetrization step
detachment
detailed balancing (principle of)
detection efficiency (in nuclear analytical chemistry)
detection limit
detection limit (in analysis)
detergent
detoxification
deuteriation
deuteride
deuterio
deuterium
deuteron
deviation, d
devolatilizer
dew point (in atmospheric chemistry)
dew point hygrometer (cooled surface condensation)
Dexter (electron exchange) excitation transfer
dextrans
dextrins
DFDMR
diabatic coupling
diabatic electron transfer
diabatic photoreaction
diacylamines
diads (in polymers)
diagram level (in X-ray spectroscopy)
diagram line (in X-ray spectroscopy)
dialysate
dialysis
dialysis residue
diamagnetic
diamidides
diamond
diamond by CVD
diamond-like carbon films
dianions
diastereoisomer (diastereoisomeric) excess
diastereoisomeric units (in a polymer)
diastereoisomerization
diastereoisomerism
diastereoisomers (diastereomers)
diastereomeric ratio
diastereomers
diastereomorphism
diastereoselectivity
diastereotopic
diazanylidenes
diazenyl radicals
diazoamino compounds
diazoates
diazo compounds
diazonium salts
diazooxides
diazotates
dicarbenium ions
dichotomous sampler
dielectric constant
dielectric polarization, P
dienes
dienophile
difference absorption spectroscopy
differential capacitance
differential detector (in chromatography)
differential diffusion coefficient
differential molar energy of adsorption
differential molar interfacial energy
differential molar surface excess energy
differential scanning calorimetry (DSC)
differential thermal analysis
differential viscosity
diffraction
diffraction analysis
diffused junction semiconductor detector
diffuse layer (in electrochemistry)
diffuser
diffusion
diffusional transition
diffusion battery
diffusion coefficient, D
diffusion control
diffusion-controlled rate
diffusion current (or diffusion-controlled current)
diffusion current constant (in polarography)
diffusion layer (concentration boundary layer)
diffusion layer thickness
diffusionless transition
diffusion potential
dihedral angle
diisotactic polymer
dilatancy
dilational (dilatational) transition
dilational viscosity
diluent (in solvent extraction)
diluent gas
dilute phase (in polymer chemistry)
diluter
dilute solution
dilution rate (in biotechnology, D
dimension (of a quantity)
dimensionless quantities
dimeric ion (in mass spectrometry)
dimerization
di-pi-methane rearrangement
Dimroth-Reichardt ET parameter
diode laser
diols
diosphenols
dioxin
dipolar aprotic solvent
dipolar bond
dipolar compounds
dipolar cycloaddition
dipolar ions
dipolar mechanism (of energy transfer)
dipole-dipole excitation transfer
dipole-dipole interaction
dipole-induced dipole forces
dipole length
dipole moment
dipole moment per volume
dipyrrins
dipyrromethenes
diradicals
direct amplification
direct current
direct effect
direct fission yield
direct-injection burner (for analytical flame spectroscopy)
direct-injection enthalpimetry
direct (radiochemical) isotope dilution analysis
direct reaction
direct thermometric method (in enthalpimetric analysis)
direct transfer gas flow system (in spectrochemical analysis)
disaccharides
discomfort threshold (in atmospheric chemistry)
discontinuous analyser
discontinuous indication (of an analyser)
discontinuous measuring cell
discontinuous phase domain
discontinuous phase transition
discontinuous precipitation
discontinuous simultaneous techniques (in analysis)
discrete transport
discriminant analysis
discriminator
disintegration constant
disintegration energy, Q
disintegration rate (of a radioactive material)
disjoining pressure (for the attraction between two surfaces)
dismutation
dispenser
dispersing agent
dispersion (for spectroscopic instruments)
dispersion (in atmospheric chemistry)
dispersion (in polymer chemistry)
dispersion forces
displacement chromatography
displacive transition
disproportionation
disrotatory
disruptor
dissociation
dissociation energy
dissociative adsorption (dissociative chemisorption)
dissociative ionization (in mass spectrometry)
dissociative surface reaction
dissolution
dissymmetry (in stereochemistry)
dissymmetry of scattering
distonic radical cation
distribuend
distribution
distribution coefficient
distribution constant
distribution constant (in chromatography)
distribution function (in polymers)
distribution isotherm (1993, 65, 2377)
distribution isotherm (in chromatography) (1996, 68, 1592)
distribution ratio (in liquid-liquid distribution), D
disyndiotactic polymer
ditactic polymer
diterpenoids
dithioacetals
diurnal variation (in atmospheric chemistry)
dividing surface
DM-interference
DNA
DNA probe
Dobson unit (in atmospheric chemistry)
docking studies
dodecahedro-
dolichols
domain interface
domain structure
Donnan emf (Donnan potential)
Donnan equilibrium
Donnan exclusion
Donnan pressure
donor number (DN)
dopant
doping (in catalysis)
doping (in polymer chemistry)
Doppler broadening (of a spectral line)
Dorn effect
dosage (in atmospheric chemistry)
dose
dose (in radioanalytical chemistry)
dose (of a substance)
dose equivalent, H
dose-response and dose-effect relationships
double-beam spectrometer (for luminescence spectroscopy)
double escape peak
double-focusing mass spectrograph
double-focusing mass spectrometer
double-layer
double-layer current
double-strand chain (in polymers)
double-strand copolymer
double-strand macromolecule
double-strand polymer
doublet state
double-wavelength spectroscopy
doubling time (in biotechnology)
downstream (in membrane processes)
downfield
down-time (in analysis)
downwash (in atmospheric chemistry)
drift
driving force (affinity) of a reaction, A
droplet (in atmospheric chemistry)
drug design
drying agent
dual phase domain continuity
dual substituent-parameter equation
dust (in atmospheric chemistry)
dust collector (in atmospheric chemistry)
dust fall (in atmospheric chemistry)
dye laser
dynamic field(s) mass spectrometer
dynamic interfacial tension
dynamic membrane formation
dynamic quenching
dynamic range (of an analyser)
dynamic reaction path (DRP)
dynamic surface tension
dynamic thermomechanometry
dynamic viscosity, eta
dyne
dyotropic rearrangement
dypnones


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.