| lambda |
| Λ (lambda) |
|
λ-transition
(lambda-transition) |
| L |
| l |
| l, u |
| label |
| labelling |
| labile |
| laboratory sample |
| lachrymator |
| lactams |
| lactides |
| lactims |
| lactols |
| lactones |
| ladder chain |
| ladder macromolecule |
| ladder polymer |
| lag phase in biotechnology |
| Lambert law |
| lamellar crystal |
| lamp |
| lamp black |
| Landolt reaction |
| Langmuir–Blodgett (LB) membrane |
| Langmuir–Hinshelwood mechanism |
| Langmuir monolayer |
| Langmuir–Rideal (Rideal–Eley) mechanism |
| Laporte rule |
| lapse rate in atmospheric chemistry |
| large particle in radiation scattering |
| lariat ethers |
| laser |
| laser beam ionization |
| laser ionization in mass spectrometry |
| laser micro emission spectroscopy
(LAMES)
|
| laser micro mass spectrometry
(LAMMS) |
| laser Raman microanalysis (LRMA) |
| lasing |
| late-downhill surface |
| latent image |
| latent period (latency) in medicinal chemistry |
| lateral order in a polymer |
| lateral resolution in in situ microanalysis |
| latex |
| lath crystal |
| lattice distortion |
| laws of distribution in precipitation |
| layer |
| layer equilibrium in chromatography |
| leader sequence in biotechnology |
| least-squares technique |
| leaving group |
| lecithins |
| lectins |
| Leffler's assumption |
| left-to-right convention |
length,
quantity |
| lethal concentration |
| lethal dose |
| lethal synthesis |
| leuco bases |
| leuco compounds |
| leukotrienes |
| level |
| levelling effect |
level width,
quantity |
| Lewis acid |
| Lewis acidity |
| Lewis adduct |
| Lewis base |
| Lewis basicity |
| Lewis formula (electron dot or Lewis structure) |
| LIDAR in atmospheric chemistry |
lifetime (mean lifetime),
quantity |
| lifetime of luminescencequantity |
| ligand field |
| ligand field splitting |
| ligands |
| ligand to ligand charge transfer (LLCT) transition |
| ligand to metal charge transfer (LMCT) transition |
| ligases (synthetases) |
| ligate |
| light-atom anomaly |
| light polarization |
| light scattering |
| light source |
| lignans |
| lignins |
| limiting adsorption current |
| limiting catalytic current |
| limiting condition of operation |
| limiting current |
| limiting differential diffusion coefficient |
| limiting diffusion current |
| limiting kinetic current |
| limiting mean |
| limiting migration current |
| limiting sedimentation coefficient |
| limiting viscosity number |
| limit of detection in analysis |
| limit test in toxicology |
| linear absorption coefficient |
| linear (decadic) absorption coefficient
in optical spectroscopy |
| linear attenuation coefficient |
| linear (decadic) attenuation coefficient
in optical spectroscopy |
| linear chain |
| linear chromatography |
| linear copolymer |
| linear dispersion |
| linear distribution isotherm in chromatography |
| linear electron accelerator |
| linear energy transfer |
| linear free-energy relation |
| linear Gibbs energy relation |
| linearity of responsivity (of a radiation detector) |
| linear macromolecule |
| linear polarizer |
| linear polymer |
| linear pulse amplifier |
| linear range |
| linear solvation energy relationships |
linear strain,
 ,
quantity |
| line formula |
| lineic |
| line-of-centres model |
| line repetition groups |
| line-shape analysis |
| Lineweaver–Burk plot |
| line width |
| line width in Mössbauer spectroscopy |
| linked scan in mass spectrometry |
| lipid film |
| lipids |
| lipophilic |
| lipophilicity |
| lipophobic |
| lipopolysaccharides |
| lipoproteins |
| liposome |
| Lippman's equation |
| liquid chromatography (LC) |
| liquid-coated stationary phase (material) in liquid chromatography |
| liquid crystal |
| liquid-crystal dendrimer |
| liquid-crystalline phase |
| liquid-crystal polymer |
| liquid-crystal state |
| liquid-crystal transitions |
| liquid excimer laser |
| liquid-gel chromatography |
| liquid ion exchange |
| liquid ion laser |
| liquid junction |
| liquid laser |
| liquid-liquid distribution (extraction) (partition) |
| liquid-liquid extraction |
| liquid membrane |
| liquid-phase loading in chromatography |
| liquid scintillation detector |
| liquidus |
| liquid volume in gas chromatography |
| lithometeor in atmospheric chemistry |
| lithosphere in atmospheric chemistry |
| litreunit |
| live time |
| living copolymerization |
| living polymerization |
| load (on a precision balance) |
| loading capacity in solvent extraction |
| local conformation of a polymer |
| local current density |
local efficiency of atomization,
in flame spectrometryquantity |
local flame temperature,
in flame emission and absorption spectrometry |
local fraction atomized,
 ,
in flame emission and absorption spectrometryquantity |
local fraction desolvated,
 ,
in flame emission and absorption spectrometryquantity |
local fraction volatilized,
 ,
in flame emission and absorption spectrometryquantity |
| localized adsorption |
| localized-itinerant transition |
| lock-in state |
| logarithmic distribution coefficient
in precipitation |
| logarithmic normal distribution
of a macromolecular assembly |
| logarithmic viscosity number |
| logit |
| log-normal distribution |
| London–Eyring–Polanyi (LEP) method |
| London–Eyring–Polanyi–Sato (LEPS) method |
| London forces |
| lone (electron) pair |
| long chain |
| long-chain branch |
| longitudinal order in a polymer |
| long-lived collision complex |
| long-range intramolecular interaction in polymers |
| long spacing in polymer crystals |
| loose end |
| loose ion pair |
| Lorentz broadening of a spectral line |
| Lorentzian band shape |
| Lorenz–Mie theory |
| lot in analytical chemistry |
| low energy electron diffraction (LEED) |
| lowest lethal concentration found |
| lowest-observed-adverse-effect-level (LOAEL)replaced |
| lowest observed adverse effect level (LOAEL) |
| lowest-observed-effect-level (LOEL) |
| low-pressure diamond |
| low pressure electrical discharge |
| low-pressure mercury lamp (arc) |
| low-spin |
| low temperature UV–VIS absorption spectroscopy |
|
lumen
unit |
| luminancequantity |
| luminescence |
| luminescence quenching |
| luminescence spectrometer |
| luminous flux |
luminous intensity
quantity |
| luminous quantities |
| lumiphore (luminophore) |
| LUMO |
|
lux
unit |
| lyases |
| lyate ion |
| lyonium ion |
| lyophilic |
| lyophilic sols |
| lyophobic |
| lyotropic mesophase |
| lysimeter |
