| Δ (delta), Λ (lambda) |
|
d,
l,
dl |
| d, l, dl |
| daltonunit |
| dark current |
| dark output |
| dark photochemistry (photochemistry without light) |
| dark reaction (darkness reaction) |
| dark resistance |
| Darlington phototransistor |
| data reduction |
| dative bond |
| daughter ion in mass spectrometry |
| daughter product in radiochemistry |
| Davydov splitting (factor-group splitting) |
| dayunit |
| deactivation |
| dead time in radioanalytical chemistry |
| dead time of an analyser |
| dead time correction in radioanalytical chemistry |
| dead-volume in chromatography |
| debyeunit |
| Debye–Hückel equation |
| decaSI unit prefix |
decadic absorbance,  quantity |
| decay chain |
| decay constantquantity |
| decay curve |
| decay rate in atmospheric chemistry |
| decay rate of a radioactive material |
| decay scheme in radioanalytical chemistry |
| decay time in heterogenous catalysis |
| deciSI unit prefix |
| decibelunit |
| decomposition |
| decontamination factor
in liquid-liquid distribution |
| DEDMR |
| de-electronation |
| de-energization efficiency |
| definitive method |
| deflection (for a precision balance) |
| deflocculation (peptization) |
| degeneracyquantity |
| degenerate chain branching |
| degenerate chemical reaction |
| degenerate rearrangement |
| degree of arcunit |
| degree Celsiusunit |
| degree Fahrenheitunit |
| degree of activation |
| degree of association of a micelle |
| degree of crystallinity of a polymer |
| degree of dissociation |
| degree of inhibition |
| degree of ionization |
| degree of polymerization |
degree of reaction,  quantity |
| degrees of cistacticity and transtacticity |
degrees of freedom,  |
| degrees of triad isotacticity, syndiotacticity, and
heterotacticity
|
| dehydroarenes |
| dehydrobenzenes |
| delayed coincidence |
| delayed coke |
| delayed coking process |
| delayed fluorescence |
| delayed luminescence |
| delayed neutrons |
| deliquescence |
| delocalization |
| demister |
| denaturation of a macromolecule |
| denaturation of alcohol |
| dendrite |
| denitrification |
density,  quantity |
| 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,  |
| 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,  quantity |
| dienes |
| dienophile |
| difference absorption spectroscopy |
| differential capacitancequantity |
| 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 (DTA) |
| differential viscosity |
| diffraction |
| diffraction analysis |
| diffused junction semiconductor detector |
| diffuse layer in electrochemistry |
| diffuser |
| diffusion |
| diffusional transition |
| diffusion battery |
diffusion coefficient,  quantity |
| 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 biotechnologyquantity |
| dimension of a quantity |
| dimensionless quantities |
| dimeric ion in mass spectrometry |
| dimerization |
| di-π-methane rearrangement |
Dimroth–Reichardt  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 transition |
| discontinuous precipitation |
| discontinuous simultaneous techniques in analysis |
| discrete transport |
| discriminant analysis |
| discriminator |
| disintegration constant |
disintegration energy,  quantity |
| disintegration rate of a radioactive material |
| disjoining pressure (for the attraction between two
surfaces)
|
| dismutation |
| dispenser |
| dispersion (for spectroscopic instruments) |
| dispersion in atmospheric chemistry |
| dispersion forces |
| displacement chromatography |
| displacive transition |
| disproportionation |
| disrotatory |
| disruptor |
| dissociation |
dissociation energy,  ,
 quantity |
| 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 in chromatography (1993, 65, 2377)superseded |
| distribution isotherm in chromatography (1996, 68, 1592) |
distribution ratio,
in liquid-liquid distributionquantity |
| disyndiotactic polymer |
| ditactic polymer |
| diterpenoids |
| dithioacetals |
| diurnal variation in atmospheric chemistry |
| dividing surface |
| DM-interference |
| DNA |
| DNA probe |
| Dobson unit in atmospheric chemistryunit |
| docking studies |
| dodecahedro- |
| dolichols |
| Donnan emf (Donnan potential) |
| Donnan equilibrium |
| Donnan exclusion |
| Donnan pressure |
| donor number (DN) |
| doping in catalysis |
| Doppler broadening of a spectral line |
| Dorn effect |
| dosage in atmospheric chemistry |
| dose |
| dose of a substance |
| dose in radioanalytical chemistry |
dose equivalent,  quantity |
| 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 biotechnologyquantity |
| downfield |
| down-time in analysis |
| downstream in membrane processes |
| downwash in atmospheric chemistry |
| 3D-QSAR (three-dimensional quantitative structure–activity relationships) |
| drift |
driving force (affinity) of a reaction,  quantity |
| droplet in atmospheric chemistry |
| drop time in polarography |
| drug |
| drug design |
| dry bulb temperature in atmospheric chemistry |
| drying agent |
| 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 surface tension |
| dynamic thermomechanometry |
dynamic viscosity,  quantity |
| dyneunit |
| dyotropic rearrangement |
| dypnones |
